From public IRS filings
Proof School
SAN FRANCISCO, CA · Education
Built from IRS filings (latest Form 990: tax year 2022). Proof School has not reviewed or approved this page. Kindora is not affiliated with it.
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Mission
OFFERING A LIBERAL ARTS EDUCATION FOR KIDS WHO LOVE MATH, REASONING AND COMMUNICATION.
Financials (IRS Form 990)
Total revenue
$6.5M
Total expenses
$5.8M
Total assets
$10.1M
Program expense ratio
91%
Source: IRS Form 990, tax year 2022.
Who funds Proof School
$3.2M in foundation grants on record from 11 funders — matched from IRS 990 grant line items. Some matches may be approximate.
| Funder | Total given | Grants |
|---|---|---|
| Vanguard Charitable Endowment Program | $1.4M | 4 |
| Fidelity Investments Charitable Gift Fund | $479K | 4 |
| American Online Giving Foundation | $394K | 5 |
| Donor Advised Charitable Giving | $309K | 4 |
| Cornell University Foundation | $300K | 3 |
| Magaro Foundation Inc C/O Al P Trebing Esq | $175K | 2 |
| National Philanthropic Trust | $115K | 3 |
| Gs Donor Advised Philanthropy Fund for Wealth Management | $30K | 3 |
| Morgan Stanley Global Impact Funding Trust | $20K | 2 |
| T Rowe Price Program for Charitable Giving | $15K | 1 |
Leadership
SAMUEL VANDERVELDE — HEAD OF SCHOOL (Principal officer)
Names of officers and trustees come from the organization's public filings and leave this page when a later filing drops them. If you are named here and object, write to privacy@kindora.co.