Spring Math Festival Saturday, May 3, 2025 2:00 PM 4:00 PM 14:00 16:00 Proof School 973 Mission Street San Francisco, CA, 94103 United States (map) Google Calendar ICS 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.
