Proof School
Independent school · Grades 6–12
San Francisco, CA
973 Mission St, San Francisco, CA 94103
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- ACollege-going
- B-Years serving families
- A+Diversity
What stands out
- 100% of graduates go to four-year colleges
- Smaller classes than 62% of independent schools in California
In San Francisco, California, Proof School is an independent private school for students from 6th grade through 12th grade. About 113 students attend, with roughly 6 students per teacher, smaller classes than 62% of independent schools in California. The school reports that about 100% of its graduates go on to four-year colleges. The school day runs about 6.5 hours, 171 days a year.
At a glance
- Grades
- Grades 6–12
- Students
- 113
- Teachers
- 20.4 (full-time equivalent)
- Students per teacher
- 5.5
- Boys and girls
- Coed · 54 girls, 59 boys
- Religious affiliation
- None (nonsectarian)
- Program
- Special program emphasis
- School day
- About 6.5 hours
- School year
- 171 days
- Graduates going to 4-year colleges
- About 100% (the school's estimate for the class before the survey)
Reviews
Be the first to share what you love about Proof School.
How it compares
- Smaller classes than 62% of independent schools in California (6 students per teacher).
- Larger than 53% of independent schools in California.
- Compared with 156 independent schools in California.
Students by grade
Student body
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Proof School
What grades does Proof School serve?
Proof School serves grades 6–12.
How many students attend Proof School?
About 113 students, with 6 students per teacher, according to official records.
How much is tuition at Proof School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
Other private schools nearby
San Francisco City Academy
Christian school (nondenominational) · Grades K–8
Smaller classes than 95% of Christian schools in California
San Francisco, CA0.3 mi
De Marillac Academy
Independent Catholic school · Grades 4–8
Smaller classes than 92% of Catholic schools in California
San Francisco, CA0.3 mi
Presidio Knolls School
Independent school · Grades Pre-K–8
Smaller classes than 76% of independent schools in California
San Francisco, CA0.6 mi
Mission Montessori
Montessori school · Grades Pre-K–5
The largest Montessori school in San Francisco
San Francisco, CA0.7 mi
Ecole Notre Dame Des Victoires School
Diocesan school · Grades K–8
Smaller classes than 79% of Catholic schools in California
San Francisco, CA0.7 mi
Cathedral School for Boys
Episcopal school · Grades K–8
Smaller classes than 88% of Christian schools in California
San Francisco, CA0.8 mi