#1 Private Schools with the Smallest Classes in San Francisco, CA
San Francisco High School of the Arts
Independent school · Grades 5–12
2.5 students per teacher
San Francisco, CA
A+Overall grade48 students3 students per teacher
2026 lists
Private Schools with the Smallest Classes in San Francisco, CA
Private schools in San Francisco, CA with the fewest students per teacher (not counting preschools and special education schools). Top 50 of 72 schools.
#2 Private Schools with the Smallest Classes in San Francisco, CA
Bais Menachem Yeshiva Day School
Jewish day school · Grades K–8
3.6 students per teacher
San Francisco, CA
AOverall grade57 students4 students per teacher
#3 Private Schools with the Smallest Classes in San Francisco, CA
San Francisco Waldorf School
Independent school · Grades Pre-K–12
3.7 students per teacher
San Francisco, CA
A+Overall grade334 students4 students per teacher
#4 Private Schools with the Smallest Classes in San Francisco, CA
Golden Bridges School
Independent school · Grades Pre-K–8
4.1 students per teacher
San Francisco, CA
A+Overall grade105 students4 students per teacher
#5 Private Schools with the Smallest Classes in San Francisco, CA
Adda Clevenger School
Independent school · Grades K–8
4.5 students per teacher
San Francisco, CA
A+Overall grade143 students5 students per teacher
#6 Private Schools with the Smallest Classes in San Francisco, CA
Kittredge School
Independent school · Grades K–8
4.6 students per teacher
San Francisco, CA
A+Overall grade60 students5 students per teacher
#7 Private Schools with the Smallest Classes in San Francisco, CA
San Francisco Pacific Academy
Independent school · Grades K–8
4.6 students per teacher
San Francisco, CA
A+Overall grade56 students5 students per teacher
#8 Private Schools with the Smallest Classes in San Francisco, CA
Jewish Community High School of the Bay
Jewish day school · Grades 9–12
4.9 students per teacher
San Francisco, CA
A+Overall grade179 students5 students per teacher
#9 Private Schools with the Smallest Classes in San Francisco, CA
San Francisco City Academy
Christian school (nondenominational) · Grades K–8
4.9 students per teacher
San Francisco, CA
A+Overall grade86 students5 students per teacher
#10 Private Schools with the Smallest Classes in San Francisco, CA
Presidio Knolls School
Independent school · Grades Pre-K–8
5.5 students per teacher
San Francisco, CA
A+Overall grade269 students6 students per teacher
#11 Private Schools with the Smallest Classes in San Francisco, CA
Proof School
Independent school · Grades 6–12
5.5 students per teacher
San Francisco, CA
A+Overall grade113 students6 students per teacher
#12 Private Schools with the Smallest Classes in San Francisco, CA
Red Bridge
Independent school · Grades K–5
5.5 students per teacher
San Francisco, CA
A-Overall grade40 students6 students per teacher
#13 Private Schools with the Smallest Classes in San Francisco, CA
Children's Day School
Religious school · Grades Pre-K–8
5.7 students per teacher
San Francisco, CA
A+Overall grade394 students6 students per teacher
#14 Private Schools with the Smallest Classes in San Francisco, CA
Town School for Boys
Independent school · Grades K–8
5.8 students per teacher
San Francisco, CA
A+Overall gradeAll boys416 students6 students per teacher
#15 Private Schools with the Smallest Classes in San Francisco, CA
The Brandeis School of San Francisco
Jewish day school · Grades K–8
6 students per teacher
San Francisco, CA
A-Overall grade360 students6 students per teacher
#16 Private Schools with the Smallest Classes in San Francisco, CA
Stratford School
Independent school · Grades Pre-K–4
6 students per teacher
San Francisco, CA
B+Overall grade69 students6 students per teacher
#17 Private Schools with the Smallest Classes in San Francisco, CA
Live Oak School
Independent school · Grades K–8
6.1 students per teacher
San Francisco, CA
A+Overall grade415 students6 students per teacher
#18 Private Schools with the Smallest Classes in San Francisco, CA
Cathedral School for Boys
Episcopal school · Grades K–8
6.2 students per teacher
San Francisco, CA
A+Overall gradeAll boys256 students6 students per teacher
#19 Private Schools with the Smallest Classes in San Francisco, CA
Alta Vista School
Independent school · Grades K–8
6.3 students per teacher
San Francisco, CA
A+Overall grade323 students6 students per teacher
#20 Private Schools with the Smallest Classes in San Francisco, CA
Presidio Hill School
Independent school · Grades K–8
6.5 students per teacher
San Francisco, CA
A+Overall grade210 students7 students per teacher
#21 Private Schools with the Smallest Classes in San Francisco, CA
St. Brigid School
Diocesan school · Grades Pre-K–8
6.7 students per teacher
San Francisco, CA
A+Overall grade71 students7 students per teacher
#22 Private Schools with the Smallest Classes in San Francisco, CA
Brightworks
Independent school · Grades K–12
7.2 students per teacher
San Francisco, CA
AOverall grade116 students7 students per teacher
#23 Private Schools with the Smallest Classes in San Francisco, CA
Brightworks
Independent school · Grades K–12
7.2 students per teacher
San Francisco, CA
B+Overall grade116 students7 students per teacher
#24 Private Schools with the Smallest Classes in San Francisco, CA
San Francisco Schoolhouse
Alternative school · Grades K–8
7.2 students per teacher
San Francisco, CA
AOverall grade110 students7 students per teacher
From official public records, updated October 2026.