Proof School
| Proof School | |
|---|---|
| Location | |
221 Main Street , | |
| Coordinates | 37°47′26″N 122°23′32″W / 37.790423°N 122.392138°W |
| Information | |
| Type | Private School; Secondary |
| Founder | Ian Brown, Paul Zeitz, and Dennis Leary |
| Head teacher | Sam Vandervelde |
| Faculty | 25 |
| Teaching staff | 26 |
| Grades | 6–12 |
| Enrollment | 130 |
| Campus | Urban |
| Accreditation | Western Association of Schools and Colleges |
| Website | http://proofschool.org |
Proof School is a secondary school in San Francisco that offers a mathematics-focused liberal arts education. Currently, 130 students in grades 6–12 are enrolled in Proof School for the academic year (2025-2026).
The school was co-founded by Dennis Leary, Ian Brown, and Paul Zeitz, the chair of mathematics at University of San Francisco. The school opened in the fall of 2015 with 45 students in grades 6–10. The curriculum is inspired by math circles, which emphasizes communication and working together to solve math problems.