Proof School's Spring Math Festival is a free, annual event aimed at fostering a love of math in 4th–8th graders. Visitors will experience a variety of hands-on activities, puzzles, and games developed and run by Proof School students.
When?
Our 2026 festival will be held on Saturday, April 4th, with drop-in activities running from 2:00–4:00pm.
Where?
The festival will take place in the new Proof School building, at
221 Main St, San Francisco, CA 94105
What Now?
We hope you’ll attend! Please pre-register so we know to expect you; participants who pre-register by Monday, March 30'th will receive a free goody bag.
If you have any questions or concerns, feel free to reach out to Susan, the festival coordinator, at sdurst@proofschool.org.