#1 Private Schools with the Smallest Classes in Berkeley, CA
American Intl Montessori School
Montessori school · Grades Pre-K–6
2.1 students per teacher
Berkeley, CA
AOverall grade60 students2 students per teacher
2026 lists
Private Schools with the Smallest Classes in Berkeley, CA
Private schools in Berkeley, CA with the fewest students per teacher (not counting preschools and special education schools). Top 12 of 12 schools.
#2 Private Schools with the Smallest Classes in Berkeley, CA
The Crowden School
Independent school · Grades 3–8
5.1 students per teacher
Berkeley, CA
A+Overall grade53 students5 students per teacher
#3 Private Schools with the Smallest Classes in Berkeley, CA
Berkeley Rose Waldorf School
Independent school · Grades Pre-K–8
5.8 students per teacher
Berkeley, CA
A+Overall grade125 students6 students per teacher
#4 Private Schools with the Smallest Classes in Berkeley, CA
Berkwood Hedge School
Independent school · Grades K–8
6.6 students per teacher
Berkeley, CA
A+Overall grade128 students7 students per teacher
#5 Private Schools with the Smallest Classes in Berkeley, CA
The Berkeley School
Independent school · Grades K–8
6.6 students per teacher
Berkeley, CA
A+Overall grade113 students7 students per teacher
#6 Private Schools with the Smallest Classes in Berkeley, CA
Walden Center & School
Independent school · Grades Pre-K–6
7.6 students per teacher
Berkeley, CA
A-Overall grade67 students8 students per teacher
#7 Private Schools with the Smallest Classes in Berkeley, CA
Maybeck High School
Independent school · Grades 9–12
8 students per teacher
Berkeley, CA
B+Overall grade114 students8 students per teacher
#8 Private Schools with the Smallest Classes in Berkeley, CA
School of the Madeleine
Parish school · Grades K–8
8.6 students per teacher
Berkeley, CA
A+Overall grade255 students9 students per teacher
#9 Private Schools with the Smallest Classes in Berkeley, CA
Ecole Bilingue De Berkeley
Independent school · Grades Pre-K–8
9.3 students per teacher
Berkeley, CA
B+Overall grade314 students9 students per teacher
#10 Private Schools with the Smallest Classes in Berkeley, CA
Black Pine Circle School
Independent school · Grades K–8
9.7 students per teacher
Berkeley, CA
A-Overall grade319 students10 students per teacher
#11 Private Schools with the Smallest Classes in Berkeley, CA
BPC Upper School
Independent school · Grades K–8
9.7 students per teacher
Berkeley, CA
BOverall grade319 students10 students per teacher
#12 Private Schools with the Smallest Classes in Berkeley, CA
St. Mary's College High School
Independent Catholic school · Grades 9–12
18.8 students per teacher
Berkeley, CA
BOverall grade627 students19 students per teacher
From official public records, updated October 2026.