funder-graph › Recipients
Who funds Proof School
EIN 46-3770194 · San Francisco, CA · NTEE B25
Proof School of San Francisco, CA (EIN 46-3770194) was named as a grant recipient by 12 funders in 49 grants paid totaling $3,967,117 in tax years 2018–2025, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$3,967,117
49 grants paid
Funders
12
distinct grantmakers
Tax years
2018–2025
as reported by funders
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Vanguard Charitable Endowment Program 23-2888152 | PA | A | 5 | $1,411,460 | 2025 |
| Fidelity Investments Charitable Gift Fund 11-0303001 | MA | A | 9 | $626,542 | 2025 |
| The Magaro Foundation Inc C/O Al P Trebing Esq 46-1558048 | CT | C | 4 | $575,000 | 2023 |
| Schwab Charitable Fund 31-1640316 | CA | A | 8 | $438,900 | 2025 |
| American Online Giving Foundation Inc 81-0739440 | DE | A | 7 | $429,106 | 2025 |
| Cornell University Foundation 22-2848738 | NY | A | 3 | $300,000 | 2025 |
| National Philanthropic Trust 23-7825575 | PA | A | 3 | $115,234 | 2025 |
| Gs Donor Advised Philanthropy Fund for Wealth Management Inc 31-1774905 | NY | A | 3 | $30,000 | 2024 |
| Morgan Stanley Global Impact Funding Trust Inc 52-7082731 | IN | A | 2 | $20,000 | 2023 |
| T Rowe Price Program for Charitable Giving Inc 31-1709466 | MD | A | 1 | $15,000 | 2025 |
| Hoffen Family Foundation C/O Sandra Hoffen 26-1598880 | NY | C | 1 | $5,000 | 2018 |
| Amazonsmile Foundation 46-2626883 | WA | C | 3 | $875 | 2023 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Grants
The 49 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Vanguard Charitable Endowment Program | Proof School San Francisco, CA | A | $1,010,692 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202621329349306657 |
| 2025 | Fidelity Investments Charitable Gift Fund | Proof School San Francisco, CA | A | $122,148 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2025 | Donor Advised Charitable Giving Inc | Proof School San Francisco, CA | A | $116,400 | paid | EDUCATION | 202611199349300601 |
| 2025 | American Online Giving Foundation Inc | Proof School San Francisco, CA | A | $111,719 | paid | GENERAL SUPPORT | 202533509349301608 |
| 2025 | American Online Giving Foundation Inc | Proof School San Francisco, CA | A | $111,719 | paid | GENERAL SUPPORT | 202641969349302754 |
| 2025 | National Philanthropic Trust | Proof School San Francisco, CA | A | $105,000 | paid | INTERNATIONAL | 202601289349302480 |
| 2025 | Cornell University Foundation | Proof School | A | $100,000 | paid | IN FURTHERANCE OF THE ORGANIZATION'S TAX EXEMPT MISSION | 202611219349301206 |
| 2025 | T Rowe Price Program for Charitable Giving Inc | Proof School San Francisco, CA | A | $15,000 | paid | MULTIPLE | 202501959349302200 |
| 2024 | Fidelity Investments Charitable Gift Fund | Proof School San Francisco, CA | A | $179,248 | paid | For grant recipient's exempt purposes | 202521349349310887 |
| 2024 | Vanguard Charitable Endowment Program | Proof School San Francisco, CA | A | $68,192 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202511349349313096 |
| 2024 | American Online Giving Foundation Inc | Proof School San Francisco, CA | A | $62,909 | paid | GENERAL SUPPORT | 202530159349302758 |
| 2024 | Cornell University Foundation | Proof School | A | $50,000 | paid | IN FURTHERANCE OF THE ORGANIZATION'S TAX EXEMPT MISSION | 202511049349301926 |
| 2024 | Donor Advised Charitable Giving Inc | Proof School San Francisco, CA | A | $44,950 | paid | EDUCATION | 202541069349300729 |
| 2024 | Gs Donor Advised Philanthropy Fund for Wealth Management Inc | Proof School San Francisco, CA | A | $10,000 | paid | EDUCATION | 202503109349303645 |
| 2024 | National Philanthropic Trust | Proof School San Francisco, CA | A | $5,117 | paid | RELIGION | 202511339349301311 |
| 2023 | Vanguard Charitable Endowment Program | Proof School San Francisco, CA | A | $178,192 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202441359349309439 |
| 2023 | Fidelity Investments Charitable Gift Fund | Proof School San Francisco, CA | A | $144,850 | paid | For grant recipient's exempt purposes | 202441369349301334 |
| 2023 | Schwab Charitable Fund | Proof School San Francisco, CA | A | $81,850 | paid | EDUCATION | 202411039349301716 |
| 2023 | The Magaro Foundation Inc Al P Trebing Esq | Proof School San Francisco, CA | C | $50,000 | paid | DONATION | 202413209349105541 |
| 2023 | American Online Giving Foundation Inc | Proof School San Francisco, CA | A | $43,224 | paid | GENERAL SUPPORT | 202410469349300741 |
| 2023 | Morgan Stanley Global Impact Funding Trust Inc | Proof School San Francisco, CA | A | $10,000 | paid | UNRESTRICTED GENERAL SUPPORT | 202403209349313980 |
| 2023 | Gs Donor Advised Philanthropy Fund for Wealth Management Inc | Proof School San Francisco, CA | A | $10,000 | paid | EDUCATION | 202413109349303336 |
| 2023 | National Philanthropic Trust | Proof School San Francisco, CA | A | $5,117 | paid | EDUCATION | 202431429349301368 |
| 2023 | Amazonsmile Foundation | Proof School San Francisco, CA | C | $211 | paid | GENERAL SUPPORT | 202540919349100629 |
| 2022 | Cornell University Foundation | Poof School | A | $150,000 | paid | IN FURTHERANCE OF THE ORGANIZATION'S TAX EXEMPT MISSION | 202321329349303387 |
| 2022 | Vanguard Charitable Endowment Program | Proof School San Francisco, CA | A | $132,384 | paid | For recipient's exempt purpose | 202331359349303108 |
| 2022 | The Magaro Foundation Inc C/O Al P Trebing Esq | Proof School San Francisco, CA | C | $125,000 | paid | DONATION | 202333199349105498 |
| 2022 | Schwab Charitable Fund | Proof School San Francisco, CA | A | $65,700 | paid | EDUCATION | 202330939349300403 |
| 2022 | American Online Giving Foundation Inc | Proof School San Francisco, CA | A | $32,983 | paid | GENERAL SUPPORT | 202340469349301209 |
| 2022 | Fidelity Investments Charitable Gift Fund | Proof School San Francisco, CA | A | $32,348 | paid | For grant recipient's exempt purposes | 202430459349302913 |
| 2022 | Fidelity Investments Charitable Gift Fund | Proof School San Francisco, CA | A | $32,348 | paid | For grant recipient's exempt purposes | 202321309349304807 |
| 2022 | Morgan Stanley Global Impact Funding Trust Inc | Proof School Berkeley, CA | A | $10,000 | paid | UNRESTRICTED GENERAL SUPPORT | 202302999349301010 |
| 2022 | Goldman Sachs Philanthropy Fund | Proof School San Francisco, CA | A | $10,000 | paid | EDUCATION | 202312859349302266 |
| 2022 | Amazonsmile Foundation | Proof School San Francisco, CA | C | $322 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2021 | Schwab Charitable Fund | Proof School San Francisco, CA | A | $42,500 | paid | EDUCATION | 202230499349301028 |
| 2021 | American Online Giving Foundation Inc | Proof School San Francisco, CA | A | $23,405 | paid | GENERAL SUPPORT | 202240469349301419 |
| 2021 | Vanguard Charitable Endowment Program | Proof School San Francisco, CA | A | $22,000 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202211339349310116 |
| 2021 | Fidelity Investments Charitable Gift Fund | Proof School San Francisco, CA | A | $10,300 | paid | For grant recipient's exempt purposes | 202221339349302787 |
| 2020 | The Magaro Foundation Inc C/O Al P Trebing Esq | Proof School San Francisco, CA | C | $200,000 | paid | DONATION | 202123199349107932 |
| 2020 | American Online Giving Foundation Inc | Proof School San Francisco, CA | A | $43,147 | paid | GENERAL SUPPORT | 202120469349300002 |
| 2020 | Fidelity Investments Charitable Gift Fund | Proof School San Francisco, CA | A | $38,800 | paid | For grant recipient's exempt purposes | 202121359349300427 |
| 2020 | Schwab Charitable Fund | Proof School San Francisco, CA | A | $33,500 | paid | EDUCATION | 202140489349301804 |
| 2020 | Amazonsmile Foundation | Proof School San Francisco, CA | C | $342 | paid | GENERAL SUPPORT | 202113199349100901 |
| 2019 | Magaro Family Foundation Inc C/O Al P Trebing Esq | Proof School San Francisco, CA | C | $200,000 | paid | DONATION | 202120549349100857 |
| 2019 | Schwab Charitable Fund | Proof School San Francisco, CA | A | $43,000 | paid | EDUCATION | 202010489349300101 |
| 2019 | Fidelity Investments Charitable Gift Fund | Proof School San Francisco, CA | A | $32,700 | paid | For grant recipient's exempt purposes | 202041789349301474 |
| 2018 | Fidelity Investments Charitable Gift Fund | Proof School San Francisco, CA | A | $33,800 | paid | FOR GRANT RECIPIENT'S EXEMPT PURPOSES | 201931359349301478 |
| 2018 | Schwab Charitable Fund | Proof School San Francisco, CA | A | $11,000 | paid | EDUCATION | 201930459349302018 |
| 2018 | Hoffen Family Foundation C/O Sandra Hoffen | Proof School San Francisco, CA | C | $5,000 | paid | CHARITABLE | 201923089349100627 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.