Support a math kid by supporting Proof School.

Proof School’s General Fund allows the Board of Directors to prioritize and direct resources where they're most needed, whether that's fully funding need-based financial assistance or developing the school's outreach program.

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:

973 Mission Street
San Francisco, CA 94103


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

Proof School EIN/Tax ID#: 46-3770194