Support a math kid by supporting Proof School.

We've launched a capital campaign to turn our building's blank slate into a school designed especially for kids who love math. 

Please consider getting in touch with Sam Vandervelde, our Head of School, to help make our new space a reality.

svandervelde @

Using our "Donate" page incurs a 3.4% charge, which is deducted from your donation. If you would like your full donation to benefit the school, you may send a check payable to Proof School to our address:

555 Post Street
San Francisco, CA 94102


Proof School is a registered 501 (c) (3) tax exempt organization.

Proof School EIN/Tax ID#: 46-3770194

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