Skip to the page

Data / Nonprofits / Ohio / Tiffin / Education

Education nonprofits in Tiffin, OH: 16 registered with the IRS

16 education nonprofits are registered with the IRS in Tiffin, OH, 15 of them 501(c)(3) charities; the 4 that report revenue took in $141.4 million. The largest by revenue: Tiffin University ($83.9 million), Heidelberg University ($56.2 million), Calvert Catholic Schools Educational Foundation ($1.2 million).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Tiffin University501(c)(3)2009$83.9 million$111.3 million2025-04
Heidelberg University501(c)(3)1975$56.2 million$206.1 million2025-06
Calvert Catholic Schools Educational Foundation501(c)(3)1976$1.2 million$5.4 million2026-06
TCS K-5 Pto501(c)(3)2008$41,584$76,4492025-06
Friends of the Tiffin-Seneca Public Library501(c)(3)2019$0$02025-12
Hopewell-Loudon Education Association501(c)(5)2009$0$02025-08
Leadership Seneca County Inc501(c)(3)2003$0$02026-06
Longanbach Family Association501(c)(3)2023$0$02025-08
Old Fort Schools Renovation Committee Inc501(c)(3)2003$0$02025-12
Online Writing Centers Association501(c)(3)2020$0$02025-08
Sigma Tau Nu Alumni Association501(c)(3)2024$0$02025-12
The Britten J Hess Memorial Scholarship Trust501(c)(3)1997$66,3682025-12
The Larry Adelsperger Memorial Scholarship Foundation501(c)(3)2026
Tiffin Eagles Scholarship Foundation Inc501(c)(3)2023$34,1122024-12
Tiffin Middle School Pto501(c)(3)2020$0$02025-06
Tiffin Seneca Library Foundation501(c)(3)1992$6.3 million2025-12

Other causes in Tiffin, OH

Every nonprofit in Tiffin, OH · Education nonprofits across the state · Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.