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ARTICLE · Abandoned School Reuse

Closed Schools × IT & Coworking: Ten Cases from the MEXT Casebook, Zoning and Urbanization Control Areas, Trial Satellite Offices and Grants

What to check before using a closed school as a satellite office or coworking space: the count of business and start-up support facilities in MEXT's survey, the uses, contract forms and renovation costs of ten casebook cases with offices or coworking spaces, change-of-use confirmation and zoning under the Building Standards Act, urbanization control areas under the City Planning Act, MIC's special local allocation tax measures for trial satellite offices, and the Cabinet Office grant and corporate hometown tax donations, checked against the statutes and ministry documents.

The points of this article

  • MEXT's survey (as of 1 May 2024) counts 1,207 uses of closed schools as business and start-up support facilities: 1,138 facilities of companies and other organizations and 69 start-up support facilities. School buildings and gymnasiums are counted separately, multiple answers are allowed, and there is no count for offices alone
  • Reading the 47 cases in MEXT's casebook, ten have offices, coworking spaces or telework spaces. An operator leases the building in six (for a fee in Shimada and Miyawaka), and the municipality converted it in four. Suo-Oshima lent the former Wada Elementary School free of charge to a company for a satellite office, at a total renovation cost of about ¥46.52M
  • Offices are not in Appended Table 1 of the Building Standards Act, so turning a school into an office needs no change-of-use confirmation. Major repairs or major remodelling of a building with two or more storeys or over 200 m² of total floor area still need confirmation. Offices are not among the buildings allowed in category 1 and 2 low-rise exclusive residential zones, category 1 mid/high-rise exclusive residential zones and rural residential zones, and urbanization control areas need permission under the City Planning Act
Who this is for, and what to know first

Who this is for

  • Municipalities and operators considering satellite office or coworking space development in closed schools
  • IT companies and startups evaluating satellite offices in regional areas
  • Municipal officials responsible for regional revitalization and corporate recruitment

What to know first

  • Basic understanding of satellite offices and coworking spaces
  • Foundational knowledge of closed school reuse systems (loan and transfer mechanisms)
In this article

What to Check Before Using a Closed School as an Office

How MEXT's survey counts business and start-up support facilities, and three things to check first

Uses of closed schools as business and start-up support facilities

1,207

1,138 facilities of companies and other organizations and 69 start-up support facilities; school buildings and gymnasiums counted separately, multiple answers (as of 1 May 2024)

Total renovation cost when Suo-Oshima turned the former Wada Elementary School into a satellite office

About ¥46.52M

Municipality about ¥19.31M, operator about ¥17.21M, subsidies about ¥10M (casebook)

Cap on floor area used for offices and similar uses in category 2 mid/high-rise exclusive residential zones

1,500 m²

Buildings over this, or using the third floor or above for such uses, may not be built, except those specified by Cabinet Order or permitted by the designated administrative agency (Building Standards Act, Article 48(4) and Appended Table 2, item (ni))

MEXT's survey counts the uses of closed schools that are in use. Business and start-up support facilities number 1,207: 1,138 facilities of companies and other organizations (741 school buildings and 397 gymnasiums) and 69 start-up support facilities (48 school buildings and 21 gymnasiums). In the previous survey (as of 1 May 2021), there were 947 facilities of companies and other organizations and 73 start-up support facilities. Multiple answers are allowed, and school buildings and gymnasiums are counted separately. The survey does not break down facilities of companies and other organizations, so there is no count for offices alone. In MEXT's casebook, which uses the same category, a rice cracker factory (Case 1) and a sawmill (Case 9) are also facilities of companies and other organizations. The previous survey counted schools closed in FY2002 to FY2020 and the current one schools closed in FY2004 to FY2023, so the difference cannot be read as a straight increase.

The stock of closed schools: 8,850 cumulative, 7,612 still standing, 5,661 in use (74.4%), 1,951 unused of which 1,503 have no decided use.
Of the 1,951 unused schools, 1,503 have no decided useSource: MEXT, FY2024 Survey on the Utilization of Closed School Facilities (as of 1 May 2024)

Before using a closed school as a satellite office or coworking space, check these three things first. The order is this article's own.

  1. Zoning and urbanization control areas. Schools may be built in low-rise exclusive residential zones, but offices are not among the buildings allowed there
  2. How the building is leased and how renovation costs are split. Even among the ten casebook cases, some are lent free, some are leased for a fee, and some were converted by the municipality
  3. Communications lines. In the Suo-Oshima case, securing a high-speed network by the town laying its own optical cable across the whole town is thought to have helped bring the company in

Ten Casebook Cases with Offices or Coworking Spaces

Uses, contract forms, renovation costs and grants of the ten cases, and the process in Suo-Oshima, Miyawaka, Yazu, Iizuna, Tateyama, Takahata and Niihama

MEXT's casebook has 47 cases. Counting the cases whose pages mention satellite offices, offices lent to entrepreneurs, rental offices, shared offices, coworking spaces or telework spaces gives ten, with the uses and contract forms below. The count is this article's own; the casebook does not group cases this way.

CaseSchoolOffices and similar spacesOperator (contract form)
6 Takahata, YamagataFormer Tokizawa Elementary SchoolA school for adults; besides the NPO's activities, space is lent to entrepreneurs as officesAn NPO (free lease)
16 Tateyama, ToyamaFormer Taniguchi Elementary SchoolIT exchange facility; the first and fourth floors are lent to a company, and the second and third floors remain the town's archaeological centre and local history museumA private company (free lease)
20 Iizuna, NaganoTwo former elementary schoolsEAST and WEST facilities with company offices, rental meeting rooms, coworking spaces and moreThe town, with a designated manager (converted)
22 Shimada, ShizuokaFormer Yui Elementary SchoolGlamping facility; the school building has telework facilities that allow workationsA private company (paid lease)
31 Yazu, TottoriFormer Hayabusa Elementary SchoolCommunity complex with coworking spaces, shared offices and more on the second and third floorsA town development company (free lease)
35 Suo-Oshima, YamaguchiFormer Wada Elementary SchoolA company's satellite officeA private company (free lease)
38 Niihama, EhimeFormer Wakamiya Elementary SchoolHub for active lifelong living with rental offices and coworking roomsThe city (converted)
40 Miyawaka, FukuokaFormer Yoshikawa Elementary SchoolAI research and development facility with meeting rooms, shared offices and coworking spacesA private company (paid lease)
41 Saga, SagaFormer Fuji Elementary SchoolCentred on simple lodging, with satellite office space and meeting roomsThe city, with a designated manager (converted)
47 Uruma, OkinawaFormer Hama Junior High SchoolCommunity hub with coworking spaces and satellite offices on the second floorThe city (converted)

In six of the ten cases an operator leases the building (for a fee in two, Shimada and Miyawaka), and in the other four the municipality converted it.

Renovation costs and grants used are as follows. Renovation costs cover the whole facility, not only the office or coworking space.

CaseRenovation costGrants and bonds used
6 TakahataAbout ¥27.97M in total; municipality about ¥4.97M, subsidies about ¥23MRegional Revitalization Advance-Type Grant (Cabinet Office)
16 TateyamaAbout ¥90M in total (paid by the municipality)Remote area countermeasure project bonds, regional revitalization project bonds, and emergency disaster prevention and mitigation project bonds (all MIC)
20 IizunaAbout ¥222M (EAST) and ¥250M (WEST); municipality about ¥277M, subsidies about ¥195MRegional Revitalization Promotion Grant (Cabinet Office)
22 ShimadaAbout ¥406M in total; municipality about ¥6M, operator about ¥376M, subsidies about ¥24MRegional Revitalization Telework Grant and Regional Revitalization Temporary Grant for COVID-19 (both Cabinet Office)
31 YazuAbout ¥180M in total; municipality about ¥90M, subsidies about ¥90MRegional Revitalization Base Development Grant (Cabinet Office)
35 Suo-OshimaAbout ¥46.52M in total; municipality about ¥19.31M, operator about ¥17.21M, subsidies about ¥10MBusiness environment improvement support subsidy and satellite office attraction promotion subsidy (both Yamaguchi Prefecture)
38 NiihamaAbout ¥524M in total; municipality about ¥274M, subsidies about ¥250MRegional Revitalization Base Development Grant (Cabinet Office)
40 MiyawakaAbout ¥326.84M in total; municipality about ¥117.68M, subsidies about ¥209.16MRegional Revitalization Base Development Grant and Regional Revitalization Promotion Grant (both Cabinet Office), general subsidized facility development project bonds (MIC)
41 SagaAbout ¥750M in total; municipality about ¥400M, subsidies about ¥350MDepopulation countermeasure project bonds (MIC), Regional Revitalization Base Development Grant contributing to the productivity revolution (Cabinet Office)
47 UrumaAbout ¥205M in total; municipality about ¥10M, subsidies about ¥195MRegional Revitalization Temporary Grant for COVID-19 (Cabinet Office)

The grants named were the programmes in place when each use began. Current national programmes are in the section on national programs below. Iizuna, Shimada, Saga and Uruma also list accommodation as a use, so they are among the six cases in the lodging article too.

Suo-Oshima: Optical Cable and a Row of Classrooms

The former Wada Elementary School, closed in March 2014, was a relatively new facility built in FY1995. Based on its comprehensive strategy for towns, people and jobs, the town had been considering attracting ICT companies using the optical infrastructure of its cable TV network. Through the prefecture, an ICT company headquartered in Tokyo approached the town; after working out terms jointly with the prefecture, the town and the company signed a location agreement in February 2016 and the satellite office opened in July that year. With no prospect of a private company bringing in a fiber network, the town had laid its own cable TV network (optical cable) across the whole town, and securing a high-speed link between the island satellite office and the head office and clients is thought to have helped bring the company in. The casebook also lists as a benefit that the classrooms are connected by a straight corridor, giving good circulation between the office, planning and development room and video conference room, so no major renovation was needed.

Miyawaka: The Company Designs, the City Builds

The city received a proposal to use closed schools from a corporate group with training facilities in the city and strengths in IT, and began considering a public-private initiative mainly to foster the information industry. The city and the company agreed on the concept, but their project schedules differed widely, and reconciling them was hard. To speed things up, the mayor and the company's head held direct talks and split the roles: the company paid for design, and the city carried out the facility works afterwards, which greatly cut the time the city needed for budgeting and contracting. As benefits, the casebook lists lower maintenance costs and lease revenue for the city, and no initial cost for the company because the city carried out the facility works.

Yazu: A Council with Residents and a Town Development Company

In its comprehensive strategy of 2015, the town considered opening satellite offices in vacant facilities. It set up a council that included local residents and a preparatory committee for a town development company that added private companies and a regional financial institution, and gathered views on the operating structure and facility development. In 2017 the town renovated the school building and lent it free of charge to a newly established town development company formed mainly by local private companies. The first floor houses a café, shops, a nursing association and community welfare groups, and the second and third floors have coworking spaces, shared offices and more. The town briefed residents and the council as the study progressed and also set up an operating council that includes local residents.

Iizuna: From a Residents' Study Group to a Designated Manager

In 2016 the town decided to close four elementary schools in March 2018 and consolidate them into two. Residents of the two school districts losing their schools held a study group for about two years and submitted recommendations to the town in 2017. From FY2018 the town began renovation using the Regional Revitalization Promotion Grant, opening EAST in 2020 and WEST in 2021. A town development company was established and manages and operates the facilities as the designated manager. The casebook says the company secured funding for its work by taking on part of the town's hometown tax donation operations under contract.

Tateyama: Leasing Part of the Building

The former Taniguchi Elementary School closed in 2002 and had been used as the town's archaeological centre and local history museum since FY2007. In FY2018 a company contacted the town after seeing the facility on MEXT's Minna no Haiko Project website, and talks began. After briefings for the town council and local residents, the town decided to lend the building to the company free of charge; the first and fourth floors are lent to the company, and the second and third floors remain the archaeological centre and local history museum. The town had no precedent for attracting satellite offices and similar facilities, and it found it hard to decide between a paid and a free lease, to lend part rather than all of the building, and to arrange how and when to move the archaeological centre.

Takahata: Classrooms as Offices for Entrepreneurs

The former Tokizawa Elementary School closed at the end of FY2009. In FY2015 the project was selected for the Cabinet Office's Regional Revitalization Advance-Type Grant and designated a hometown satellite office by MIC, and in October that year a school for adults opened with an NPO as its secretariat. The casebook says former classrooms make offices of a good size for entrepreneurs, so network equipment and air conditioning were installed to make the building suitable for lending. Making the building widely available to townspeople and others, including lending offices to entrepreneurs, was a first for the town's use of closed schools and raised issues such as arranging the related legal requirements, which were resolved through coordination among the departments concerned.

Niihama: An Action Plan as the Basis for Explanations

The former Wakamiya Elementary School closed in FY2017, was renovated in FY2020, and reopened in June 2021 as the city's hub for active lifelong living. With rental offices and coworking rooms, it supports start-ups and new industries, and it is also used as a base for remote work. Following the adoption of its comprehensive strategy, the city drew up an action plan that set the goal of developing the school as the hub. It adopted a basic plan for using the school in June 2019 and was selected for the Regional Revitalization Base Development Grant that year. The casebook says the action plan served as the basic material for gaining understanding in explanations to the city government, the community and the council and in bringing in private operators.

Building and City Planning Rules to Check

Change-of-use confirmation, major repairs and remodelling, zoning restrictions and permission, permission in urbanization control areas, and Fukuchiyama's district plan

Change-of-Use Confirmation, Major Repairs and Remodelling

When a building's use is changed so that it becomes a special building for a use in column (i) of Appended Table 1 and the floor area used for that purpose exceeds 200 m², the confirmation procedure applies. Column (i) of Appended Table 1 covers theatres, hospitals, hotels, schools, department stores, warehouses, car garages and similar uses, and offices are not among them. Offices are also not among the uses listed in the definition of special buildings in Article 2(ii). Simply turning a school into an office needs no change-of-use confirmation.

However, major repairs or major remodelling of a building with two or more storeys or a total floor area over 200 m² need confirmation before work starts. Major repairs and major remodelling mean repairs or remodelling of more than half of one or more kinds of the main structural parts of a building. Check at the design stage whether the planned work falls into these. The confirmation procedure is covered in Abandoned School Use Change and the Building Standards Act.

Zoning

When the use of a building is changed, Article 48(1) to (14) (restrictions in use districts) apply. The buildings that may be built in category 1 and category 2 low-rise exclusive residential zones, category 1 mid/high-rise exclusive residential zones and rural residential zones include schools (other than universities, colleges of technology, specialized training colleges and miscellaneous schools), but the only offices included are houses that double as offices or similar uses and are specified by Cabinet Order. In category 2 mid/high-rise exclusive residential zones, buildings whose floor area used for purposes other than those allowed in category 1 mid/high-rise exclusive residential zones exceeds 1,500 m², and buildings that use the third floor or above for such purposes, must not be built. In category 1 residential zones, buildings whose floor area used for such purposes exceeds 3,000 m² must not be built (in both cases, other than those specified by Cabinet Order).

Each of Article 48(1) to (14) has a proviso: the restriction does not apply where the designated administrative agency grants permission, for example finding that the building will not harm a good residential environment. Before granting such permission, the agency must in principle hold a public hearing to which interested parties are summoned and obtain the consent of the building review board. Check the zoning of the site with the municipality's city planning department.

Urbanization Control Areas

In an urbanization control area outside development areas with development permission, no one may rebuild a building or change its use so that it becomes a building other than those in Article 29(1)(ii) or (iii) without permission from the prefectural governor. Article 29(1)(ii) covers buildings for agriculture, forestry or fisheries specified by Cabinet Order and housing for people engaged in them, and (iii) covers railway stations and other railway facilities, libraries, community halls, substations and similar buildings needed in the public interest that are specified by Cabinet Order. In this section, the prefectural governor means the mayor within a designated city or core city. If you plan an office, ask the development permission office whether permission is needed and what the criteria are.

The national guidebook notes that areas where school facilities stand are sometimes subject to strict development controls, such as urbanization control areas, and advises sorting out these legal restrictions as preconditions and identifying the issues for a change of use in advance. Its example is the former Nakamutobe Elementary School in Fukuchiyama, Kyoto, which stood in an urbanization control area where a change of use or development permission was a very high hurdle. The city already had a district plan for the area, which placed the school's site in a function-inducement zone and listed shops, offices and roadside service facilities among the buildings allowed, so the use could be changed. The facility became a hands-on farming facility leased to a private operator.

National Programs You Can Use

Special local allocation tax measures for trial satellite offices, the Regional Future Grant, corporate hometown tax donations, and the Minna no Haiko Project

Trial Satellite Offices (MIC)

MIC supports municipalities that host trial work, in which employees of urban companies work in a region for roughly three days or more and share with the host municipality their specific needs for opening a satellite office, so that the municipality can attract satellite offices. When a host municipality works under the guidelines, special local allocation tax measures apply until FY2027, for up to two years per municipality. The covered costs are those for attracting urban companies to trial work, preparing the trial work environment, and activities during trial work. The amount is the lower of the general-revenue total of the covered costs and ¥10M, multiplied by 0.5 and then by a fiscal capacity adjustment. Support for a company after it formally decides to open a satellite office is excluded, and no prior application to MIC is needed. Urban companies must have their head office or principal office in the three major metropolitan areas (Saitama, Chiba, Tokyo, Kanagawa, Gifu, Aichi, Kyoto, Osaka, Hyogo and Nara) and be considering opening a satellite office, among other conditions. Host municipalities are prefectures or municipalities, excluding those whose entire area lies in the existing built-up areas or suburban development zones under the National Capital Region Development Act and similar areas. Example costs for preparing the trial work environment are rent for the trial office, rental and purchase of office equipment and supplies, restoration that does not add to asset value, and surveys of suitable satellite office sites; building renovation work is not among the examples.

Regional Future Grant (Cabinet Office)

The Regional Future Grant was created in the FY2025 supplementary budget. The Regional Future Promotion type broadly supports local governments' own initiatives, such as raising the added value of local industries. For non-capital projects and hub facility projects the subsidy rate is 1/2, and the guide cap on national funding for one hub facility project over its plan period is ¥1 billion for municipalities. In the document's chart of initial budgets, FY2025 shows the Grant for Creating New Regional Economies and Living Environments and FY2026 the Regional Future Grant. The grant goes to local governments. A local government seeking the Regional Future Promotion type draws up a regional revitalization plan describing the projects the grant will fund, and applies to the Prime Minister for its certification.

The Cabinet Office document of June 2025 said that year's Grant for Creating New Regional Economies and Living Environments (the second-generation grant) supported local initiatives including developing and promoting the use of satellite offices, and listed the Digital Garden City Nation grant (digital implementation type, regional revitalization telework type) as abolished. Whether the Regional Future Grant can fund turning a closed school into a satellite office is for the municipality to check against the Cabinet Office documents, as a project in its regional revitalization plan.

In the casebook, Miyawaka, Yazu and Niihama used the Regional Revitalization Base Development Grant, Saga the Regional Revitalization Base Development Grant contributing to the productivity revolution, Miyawaka and Iizuna the Regional Revitalization Promotion Grant, Shimada the Regional Revitalization Telework Grant, and Takahata the Regional Revitalization Advance-Type Grant. All were the grants in place when each use began.

Corporate Hometown Tax Donations

When a company donates to a regional revitalization project of a local government certified by the national government, tax credits against corporate taxes reduce the company's real burden to about 10% (applicable until the end of FY2027). The Cabinet Office says the scheme can also be used to develop satellite offices, and in December 2023 it produced a casebook and guide that include examples of such development.

Minna no Haiko Project (MEXT)

MEXT gathers and publishes information on closed schools across Japan that are seeking uses through the Minna no Haiko Project. It is not a subsidy. In the Tateyama case, talks began when a company saw the facility on this website and contacted the town.


What the Kamiyama Document Says

The fiber network, twelve companies including IT ventures, the net migration gain, a renovated vacant house for trial work, a storehouse office and work-in-residence

Kamiyama town in Tokushima Prefecture completed its fiber optic network in September 2005, and twelve companies, mostly IT ventures, opened satellite offices, moved their headquarters there or founded new companies. In fiscal 2011 net migration turned positive for the first time in the history of the town. The offices the document introduces include a renovated vacant house used as a trial house where creators can work, and an office in a storehouse. It says 7% of the town's corporate tax revenue in FY2014 was related to satellite offices. It also describes work-in-residence: if there are no jobs or work locally, workers and entrepreneurs thought necessary for the town's future, people who bring their work with them, are specifically named and invited to move in. The offices in this document use vacant houses and a storehouse, not closed schools.

Closed Schools × Tourism & Lodging: Inn Permits, Zoning and Fire Rules, Farm-Stay Grants, and Six Cases from the MEXT Casebook

Six casebook cases that list accommodation as a use; Iizuna, Shimada, Saga and Uruma are also among the ten cases in this article

Policy

Abandoned School Use Change and the Building Standards Act — Renovation Requirements for Welfare Facility Conversion [2026 Edition]

The floor area that triggers confirmation for a change of use, and when fire compartments, smoke control and interior finish rules apply, checked against the statutes

Guide

How to Reuse a Closed School: Survey Counts, MEXT's List of Closed Schools Seeking Uses, the Property Disposal Procedure, and National Subsidies

Survey counts and why uses stay undecided, MEXT's list of closed schools seeking uses, when property disposal needs only a report or no treasury repayment, and the national subsidy list

Guide

Subsidies for Closed School Reuse: All 6 Ministries Covered [2026 Edition]

Cost shares and eligible applicants, checked against MEXT's April 2026 list and each ministry's documents


What to do next

When developing a school reuse plan and renovation budget, check the following matters.

#What to check or considerResponsible team or contact
1Find operators interested in using the building. Ask about their intended uses and requirements, and use the responses to develop the reuse planMarket sounding and local operators
2Check the seismic assessment and asbestos survey results. If surveys have not been conducted, determine their scope and how to commission themFacilities team
3Estimate renovation costs from the survey results and compare them with demolition costsDesign office
4Check the property disposal procedures. For subsidized school buildings, check MEXT approval or reporting requirements against the intended use and disposal restriction periodBoard of education and MEXT
5Explain the proposed reuse to alumni and community groups and hear their views before announcing the useAlumni and neighbourhood associations

Check operator interest and requirements before finalizing the use, and take prospective demand into account when developing the reuse plan.


References

Results of the FY2024 Survey on the Utilization of Closed School Facilities (as of 1 May 2024) — Ministry of Education, Culture, Sports, Science and Technology (2025)

Casebook on Repurposing Closed Schools (Minna no Haiko Project) — Ministry of Education, Culture, Sports, Science and Technology (2023)

Minna no Haiko Project — Ministry of Education, Culture, Sports, Science and Technology (2026)

Building Standards Act (Act No. 201 of 1950) — e-Gov Legal Database (e-Gov)

City Planning Act (Act No. 100 of 1968) — e-Gov Legal Database (e-Gov)

スモールコンセッションのすすめ~遊休公的施設の利活用のための手引き~ (Recommending Small Concessions: A Guidebook for Utilizing Idle Public Facilities) — Ministry of Land, Infrastructure, Transport and Tourism; Cabinet Office (2026)

お試しサテライトオフィス−地方でのお試し勤務を支援します! (Trial Satellite Offices: Supporting Trial Work in Regional Areas) — Ministry of Internal Affairs and Communications (2026)

お試しサテライトオフィス推進要綱 (Guidelines for Promoting Trial Satellite Offices) — Ministry of Internal Affairs and Communications (2025)

地方創生テレワークの推進に向けて (Toward Promoting Telework for Regional Revitalization) — Cabinet Office, Regional Revitalization Promotion Office (2025)

地域未来交付金について (On the Regional Future Grant) — Cabinet Secretariat Regional Future Strategy Headquarters Secretariat; Cabinet Office Regional Revitalization Promotion Secretariat (2026)

地域未来交付金制度要綱 (Regional Future Grant System Rules) — Cabinet Office and others (2026)

神山プロジェクトのポイント (Points of the Kamiyama Project) — Green Valley (published by the Ministry of Internal Affairs and Communications) (2016)

Statistics cited in this article

  1. 1MEXT, Results of the FY2024 Survey on the Utilization of Closed School Facilities, Appendix 3, main uses (as of 1 May 2024)(2025) Open source
  2. 2MIC, Guidelines for Promoting Trial Satellite Offices (partly revised 31 March 2025, in Japanese)(2025) Open source
  3. 3Building Standards Act (Act No. 201 of 1950), Article 48(e-Gov Legal Database) Open source
  4. 4MEXT, Casebook on Repurposing Closed Schools (Minna no Haiko Project) (March 2023), Cases 6, 16, 20, 22, 31, 35, 38, 40, 41 and 47(2023) Open source
  5. 5MEXT, Casebook on Repurposing Closed Schools (Minna no Haiko Project) (March 2023), Case 35(2023) Open source
  6. 6MEXT, Casebook on Repurposing Closed Schools (Minna no Haiko Project) (March 2023), Case 40(2023) Open source
  7. 7MEXT, Casebook on Repurposing Closed Schools (Minna no Haiko Project) (March 2023), Case 31(2023) Open source
  8. 8MEXT, Casebook on Repurposing Closed Schools (Minna no Haiko Project) (March 2023), Case 20(2023) Open source
  9. 9MEXT, Casebook on Repurposing Closed Schools (Minna no Haiko Project) (March 2023), Case 16(2023) Open source
  10. 10MEXT, Casebook on Repurposing Closed Schools (Minna no Haiko Project) (March 2023), Case 6(2023) Open source
  11. 11MEXT, Casebook on Repurposing Closed Schools (Minna no Haiko Project) (March 2023), Case 38(2023) Open source
  12. 12Building Standards Act (Act No. 201 of 1950), Articles 87(1) and 6(1)(i), Appended Table 1(e-Gov Legal Database) Open source
  13. 13Building Standards Act (Act No. 201 of 1950), Article 2(ii)(e-Gov Legal Database) Open source
  14. 14Building Standards Act (Act No. 201 of 1950), Articles 6(1) and 2(xiv) and (xv)(e-Gov Legal Database) Open source
  15. 15Building Standards Act (Act No. 201 of 1950), Article 87(2)(e-Gov Legal Database) Open source
  16. 16Building Standards Act (Act No. 201 of 1950), Appended Table 2(e-Gov Legal Database) Open source
  17. 17City Planning Act (Act No. 100 of 1968), Article 43(1)(e-Gov Legal Database) Open source
  18. 18City Planning Act (Act No. 100 of 1968), Article 29(1)(ii) and (iii)(e-Gov Legal Database) Open source
  19. 19MLIT and Cabinet Office, Recommending Small Concessions: A Guidebook for Utilizing Idle Public Facilities (May 2026, in Japanese), STEP 1-2(2026) Open source
  20. 20MIC, Guidelines for Promoting Trial Satellite Offices (partly revised 31 March 2025, in Japanese), Section 3 and annex(2025) Open source
  21. 21Cabinet Secretariat Regional Future Strategy Headquarters Secretariat and Cabinet Office Regional Revitalization Promotion Secretariat, On the Regional Future Grant (April 2026)(2026) Open source
  22. 22Cabinet Office and others, Regional Future Grant System Rules (4 February 2026)(2026) Open source
  23. 23Cabinet Office Regional Revitalization Promotion Office, Toward Promoting Telework for Regional Revitalization (June 2025, in Japanese)(2025) Open source
  24. 24Points of the Kamiyama Project (Green Valley), published by the Ministry of Internal Affairs and Communications(2016) Open source

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What was corrected

  1. — Per-tsubo renovation costs said to be 1/3 to 1/5 of new construction, and going rates for coworking, appeared in the number cards and the summary. They had no support and have been removed.

    Before
    Renovation for office conversion costs ¥150K–400K per tsubo, 1/3 to 1/5 of new office construction at ¥800K–1.2M per tsubo / private booths at closed-school coworking cost ¥15K–50K a month, against ¥30K–100K for urban coworking / renovation costs can be cut to 1/3–1/5 of new construction (Threads post)
    After
    The number cards now show the 1,207 business and start-up support facilities in the MEXT survey, Suo-Oshima's total renovation cost of about ¥46.52M from the casebook, and the 1,500 m² in Appended Table 2 of the Building Standards Act

    Reason Neither the per-tsubo costs, the rates nor the 1/3 to 1/5 ratio had a source. On this page, the note that figures were the article's own assumptions came only after the renovation cost table, so the number cards, the renovation table, the summary and the Threads post carried no such note. The figures could be read as a stand-in for a quote on a real project, so they have been replaced with sourced figures.

  2. — Renovation cost breakdowns and totals, rent settings, monthly income and spending, and payback periods were given as guides. None had support, and they have been removed.

    Before
    Per-tsubo costs by renovation item (network equipment ¥30K–80K per tsubo and so on) and ¥45M–120M in total for a 1,000 m² school building / rents at 50–70% of local private office rates and a rate table such as ¥50K–150K per private office / monthly revenue of about ¥790K, monthly expenses of about ¥500K–850K, a payback period of 7–15 years and first-year occupancy of 30–40% / a community manager at ¥250K–400K a month, renovating the next floor once occupancy passes 70%, ¥30K–100K per event, ¥5,000–10,000 per person per night for retreats, and ¥200K–500K a month from a café
    After
    Total renovation costs of the ten casebook cases, with the municipality, operator and subsidy shares

    Reason None of the renovation costs, rents, income and spending, occupancy, staff costs or unit prices had a source. They have been replaced with the actual renovation costs and cost shares stated in the casebook. Casebook renovation costs cover the whole facility, not only the office space.

  3. — Classroom size, lease and urban rent levels, recommended network standards and line installation costs were stated. They had no source and have been removed.

    Before
    Standard classrooms measure about 63 m² (about 19 tsubo), suited to team offices of 4–8 people / closed schools are typically leased free or for ¥0–50,000 a month, against urban office rents of ¥10,000–30,000 per tsubo a month / connectivity is the most critical factor for IT tenants, with 1 Gbps fiber, Wi-Fi 6, two or more lines and UPS as minimums / municipalities may need to apply for MEXT's 'Advanced Wireless Environment Development' subsidy, with installation costing several million to tens of millions of yen per school
    After
    In Suo-Oshima, with no prospect of a private company bringing in a fiber network, the town had laid its own cable TV network (optical cable) across the whole town, and securing a high-speed link between the island satellite office and the head office and clients is thought to have helped bring the company in (casebook)

    Reason No source could be found for the 63 m², the lease and rent levels, the network standards or the per-school installation costs. For communications lines, the text now uses the Suo-Oshima example in the casebook.

  4. — As grants you can use, the article gave the conditions of a call for proposals under the FY2021 budget and a grant type that has been abolished, without stating the years.

    Before
    The MIC's Information and Communications Usage Promotion Subsidy covers 50% of satellite office development costs (up to ¥20M) / Digital Garden City Nation grants can fund projects including satellite office development / combining the Trial Satellite Office program with regional revitalization grants spreads initial investment risk for municipalities and operators / the Minna no Haiko Project is a matching platform connecting municipalities with parties interested in using closed schools
    After
    The special local allocation tax measures under the Guidelines for Promoting Trial Satellite Offices (partly revised 31 March 2025), and the new regional economy and living environment grant and corporate hometown tax donations in the Cabinet Office document of June 2025, following the wording of the guidelines and the document. The Minna no Haiko Project follows MEXT's own description

    Reason According to a MIC press release, 50% up to ¥20M was the condition of the call for proposals for the regional satellite office development project under the Information and Communications Usage Promotion Subsidy in the FY2021 budget. The Cabinet Office document of June 2025 lists the regional revitalization telework type of the Digital Garden City Nation grant as abolished. The special local allocation tax measures for trial satellite offices cover the costs of attracting trial work, preparing the trial work environment and activities during trial work, and exclude support after a company formally decides to open a satellite office. Building renovation work is not among the example costs in the guidelines. MEXT's page describes the Minna no Haiko Project as gathering and publishing information on closed schools seeking uses, holding events and introducing cases.

  5. — A Kochi case with no municipality named, a Setagaya facility whose rates had no source, a table of success conditions, and a success factor for Kamiyama were stated. They could not be verified and have been removed.

    Before
    Multiple closed schools in Kochi serve as IT satellite offices, and successful cases share clarity on what relocating companies seek and a shift in mindset in the host community / in Setagaya ward a closed junior high school became an incubation facility for creators, offering private offices from ¥15,000 a month / common success conditions such as within one hour of the nearest station or airport and dining, shopping and medical facilities within 15 minutes by car / the key in Kamiyama was intentionally designing spaces for interaction between residents and newcomers
    After
    Replaced with ten named and sourced casebook cases; for Kamiyama, the fiber network, the renovated vacant house for trial work, the storehouse office and the work-in-residence programme described in the document

    Reason The Kochi case named no municipality or school and could not be checked. The Setagaya rates and the time thresholds in the success conditions table also had no source. We could not find any statement in the Kamiyama document about intentionally designing spaces for interaction between residents and newcomers, and the offices it introduces are a renovated vacant house and a storehouse, not closed schools.

  6. — The article said closed school upkeep strains municipal budgets, that IT and coworking conversion needs little investment and has large ripple effects, and that tenants do not stay without network and community design. None had a source, and these have been removed.

    Before
    About 25% of closed school facilities remain unused and their maintenance costs continue to burden municipal budgets / conversion to IT satellite offices and coworking spaces stands out for its relatively modest initial investment and large economic ripple effect / the key success factors are 1 Gbps fiber and community design, and a merely cheap office results in low tenant retention / touchpoints with local agriculture, manufacturing or tourism give companies a reason to stay
    After
    Only the survey counts and the benefits that municipalities and operators cite in the casebook

    Reason The survey does show 25.6% not in use, but there was no source for maintenance costs straining budgets, the comparison of initial investment and ripple effects, or the statements about tenant retention and ties with local businesses.

  7. — The national programs section named the grant as it was called in FY2025. It now names the FY2026 Regional Future Grant.

    Before
    The Grant for Creating New Regional Economies and Living Environments (the second-generation grant) supports local initiatives including developing and promoting the use of satellite offices, with a subsidy rate of 1/2 for base development projects (Cabinet Office document, June 2025)
    After
    The Regional Future Grant was created in the FY2025 supplementary budget; for the Regional Future Promotion type, non-capital and hub facility projects have a subsidy rate of 1/2, and the municipality draws up a regional revitalization plan and applies for certification (Cabinet Secretariat and Cabinet Office document of April 2026 and the system rules)

    Reason When this section was rewritten earlier the same day, only the June 2025 document was checked, not the FY2026 programme. In the April 2026 document's chart of initial budgets, the Grant for Creating New Regional Economies and Living Environments is the FY2025 name and the Regional Future Grant is the FY2026 one. We could not find satellite office development given as an example in the April 2026 document.

  8. — The next-steps table read as if property disposal always needs approval.

    Before
    A school built with national subsidy needs MEXT approval
    After
    Using a subsidized school building for a non-school purpose within the restricted period needs MEXT approval (a report is enough where the requirements are met)

    Reason MEXT's page on property disposal says that using a building for a non-school purpose within the restricted period requires approval and repayment to the treasury, and that where certain requirements are met no repayment is needed and a report is enough. The table left out the cases where a report is enough.

  9. — The source for Kamiyama's fiber optic network and its net migration gain has been changed to a page that states the figures.

    Before
    Kamiyama town deployed area-wide fiber optic networks and established coworking spaces, and in 2011 in-migration exceeded out-migration for the first time since records began, sourced to the ministry's Trial Satellite Office case studies
    After
    Kamiyama town completed its fiber optic network in September 2005, twelve companies opened satellite offices, moved their headquarters or founded new companies there, and net migration turned positive in fiscal 2011 for the first time in the history of the town, sourced to Points of the Kamiyama Project published by the ministry

    Reason The ministry's Trial Satellite Office site we cited is an entry page for the programme and states neither the year the fiber network was completed nor the year of the migration gain. Points of the Kamiyama Project, a Green Valley document published by the ministry, states that the fiber network was completed in September 2005 and that net migration in fiscal 2011 was positive for the first time in the history of the town. The document says satellite offices rather than coworking spaces, and the text now follows it.

What to check on your own case

  • Which use district is the school in? If it is a low-rise exclusive residential zone or a category 1 mid/high-rise exclusive residential zone, have you asked the designated administrative agency whether it can be used as an office?
  • Will you lease the whole building or part of it? Have you considered sharing a building with a municipal facility, as Tateyama does?
  • Will you lease free of charge, for a fee, or convert the school yourselves with a designated manager? Have you decided how to split renovation costs and who handles design and construction?

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