The Leffell School is a 501(c)(3) organization based in Hartsdale, New York, registered in 1966.
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82 grants to The Leffell School totaling $16.5M, reported by foundations on their Schedule I filings — showing the 15 most recent.
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Data for The Leffell School (EIN 13-6209307) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.