Data / Nonprofits / New York / Armonk / Education
Education nonprofits in Armonk, NY: 8 registered with the IRS
8 education nonprofits are registered with the IRS in Armonk, NY, 8 of them 501(c)(3) charities; the 3 that report revenue took in $5.2 million. The largest by revenue: Montessori Childrens Room ($4.3 million), Byram Hills Education Foundation Inc ($638,301), The Atlantieist Support Foundation ($217,512).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Montessori Childrens Room | 501(c)(3) | 1983 | $4.3 million | $4.3 million | 2025-06 |
| Byram Hills Education Foundation Inc | 501(c)(3) | 1995 | $638,301 | $1.1 million | 2025-06 |
| The Atlantieist Support Foundation | 501(c)(3) | 2011 | $217,512 | $6,388 | 2024-12 |
| Byram Hills Bobcat Boosters Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-07 |
| Fund for Education and Emotional Development Inc | 501(c)(3) | 2011 | $0 | $3,779 | 2024-12 |
| John & Annamaria Phillips Foundation | 501(c)(3) | 1996 | $2.3 million | 2025-12 | |
| Westchester Area Mathematics Circle Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Whippoorwill Club Foundation Inc | 501(c)(3) | 2000 | $0 | $89,425 | 2024-12 |
Other causes in Armonk, NY
- Philanthropy, voluntarism and grantmaking foundations 19
- Community improvement and capacity building 7
- Arts, culture and humanities 5
- Religion-related 4
- International, foreign affairs and national security 3
- Public safety, disaster preparedness and relief 3
Every nonprofit in Armonk, NY · 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.