Data / Nonprofits / California / Mammoth Lakes / Education
Education nonprofits in Mammoth Lakes, CA: 9 registered with the IRS
9 education nonprofits are registered with the IRS in Mammoth Lakes, CA, 9 of them 501(c)(3) charities; the 6 that report revenue took in $8.2 million. The largest by revenue: Urban Corps of San Diego County Charter School ($4.3 million), Access Mammoth ($3.3 million), Mammoth High School Booster Club ($247,364).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Urban Corps of San Diego County Charter School | 501(c)(3) | 2014 | $4.3 million | $4.9 million | 2025-06 |
| Access Mammoth | 501(c)(3) | 2000 | $3.3 million | $15.3 million | 2025-06 |
| Mammoth High School Booster Club | 501(c)(3) | 2002 | $247,364 | $280,768 | 2025-07 |
| Mammoth Mountain Ski Patrol Alumni Association | 501(c)(3) | 2018 | $197,187 | $87,333 | 2025-06 |
| Mammoth Lakes Friends of the Library | 501(c)(3) | 2004 | $86,308 | $729,684 | 2025-09 |
| Mammoth Elementary Parent Teacher Organization | 501(c)(3) | 2003 | $20,931 | $170,482 | 2025-06 |
| Friends of Sierra Guiding | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Mammoth Middle School Organization | 501(c)(3) | 2024 | |||
| Mammoth Schools Now Education Foundation | 501(c)(3) | 2010 | $0 | $0 | 2023-06 |
Other causes in Mammoth Lakes, CA
- Recreation and sports 11
- Environment 5
- Youth development 4
- Human services 4
- Public safety, disaster preparedness and relief 3
- Philanthropy, voluntarism and grantmaking foundations 3
- Arts, culture and humanities 3
- Religion-related 3
Every nonprofit in Mammoth Lakes, CA · 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.