The Bay School of San Francisco
Independent school · Grades 9–12
San Francisco, CA
35 Keyes Ave, San Francisco, CA 94129
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B+Class size
- ACollege-going
- A-Years serving families
- ADiversity
What stands out
- 97% of graduates go to four-year colleges
- Growing: enrollment up 57% since 2011–12
- Small classes: about 7 students per teacher
- Serving families in San Francisco since at least 2011
In San Francisco, California, The Bay School of San Francisco is an independent private school for students from 9th grade through 12th grade. About 447 students attend, with roughly 7 students per teacher. Enrollment is up about 57% since 2011–12. The school reports that about 97% of its graduates go on to four-year colleges. The school day runs about 7 hours, 175 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 447
- Teachers
- 60.9 (full-time equivalent)
- Students per teacher
- 7.3
- Boys and girls
- Coed · 239 girls, 208 boys
- Religious affiliation
- None (nonsectarian)
- School day
- About 7 hours
- School year
- 175 days
- Graduates going to 4-year colleges
- About 97% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
Be the first to share what you love about The Bay School of San Francisco.
How it compares
- Larger than 85% of independent high schools in California.
- Compared with 61 independent high schools in California.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Association of Independent Schools
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 The Bay School of San Francisco
What grades does The Bay School of San Francisco serve?
The Bay School of San Francisco serves grades 9–12.
How many students attend The Bay School of San Francisco?
About 447 students, with 7 students per teacher, according to official records.
How much is tuition at The Bay School of San Francisco?
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
Brightworks
Independent school · Grades K–12
Growing: enrollment up 262% since 2013–14
San Francisco, CA0.7 mi
Brightworks
Independent school · Grades K–12
Small classes: about 7 students per teacher
San Francisco, CA0.7 mi
Presidio Hill School
Independent school · Grades K–8
Smaller classes than 65% of independent schools in California
San Francisco, CA0.8 mi
San Francisco University High School
Independent school · Grades 9–12
The largest independent school in San Francisco
San Francisco, CA0.9 mi
Hillwood Academic Day School
Independent school · Grades K–8
Smaller classes than 61% of independent schools in California
San Francisco, CA1.0 mi
San Francisco Waldorf School
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
San Francisco, CA1.0 mi