The Open Window School has received $4.8 million across 65 grants from 20 funders over IRS Form 990 filings (2019–2024). Its largest funder is American Online Giving Foundation INC.
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American Online Giving Foundation INC has given $2.1M across 6 grants to The Open Window School.
Fidelity Investments Charitable Gift Fund has given $774K across 7 grants to The Open Window School.
Vanguard Charitable Endowment Program has given $434K across 5 grants to The Open Window School.
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