#1 Private Schools with the Smallest Classes in Alameda County, CA
The Renaissance School
Montessori school · Grades Pre-K–8
1.8 students per teacher
Oakland, CA
AOverall grade49 students2 students per teacher
2026 lists
Private Schools with the Smallest Classes in Alameda County, CA
Private schools in Alameda County, CA with the fewest students per teacher (not counting preschools and special education schools). Top 50 of 77 schools.
#2 Private Schools with the Smallest Classes in Alameda County, CA
Hacienda Child Development Center, Pleasanton
Montessori school · Grades Pre-K–5
1.9 students per teacher
Pleasanton, CA
AOverall grade43 students2 students per teacher
#3 Private Schools with the Smallest Classes in Alameda County, CA
American Intl Montessori School
Montessori school · Grades Pre-K–6
2.1 students per teacher
Berkeley, CA
AOverall grade60 students2 students per teacher
#4 Private Schools with the Smallest Classes in Alameda County, CA
Child Unique Montessori
Montessori school · Grades Pre-K–3
3 students per teacher
Alameda, CA
A-Overall grade42 students3 students per teacher
#5 Private Schools with the Smallest Classes in Alameda County, CA
Montessori School of Fremont
Montessori school · Grades Pre-K–6
3.9 students per teacher
Fremont, CA
AOverall grade115 students4 students per teacher
#6 Private Schools with the Smallest Classes in Alameda County, CA
The Renaissance International School
Montessori school · Grades Pre-K–8
4.1 students per teacher
Oakland, CA
A+Overall grade50 students4 students per teacher
#7 Private Schools with the Smallest Classes in Alameda County, CA
Tilden Preparatory School
Alternative school · Grades 6–12
4.6 students per teacher
Albany, CA
A+Overall grade147 students5 students per teacher
#8 Private Schools with the Smallest Classes in Alameda County, CA
Lea's Christian School
Independent school · Grades Pre-K–5
5 students per teacher
San Lorenzo, CA
AOverall grade40 students5 students per teacher
#9 Private Schools with the Smallest Classes in Alameda County, CA
The Crowden School
Independent school · Grades 3–8
5.1 students per teacher
Berkeley, CA
A+Overall grade53 students5 students per teacher
#10 Private Schools with the Smallest Classes in Alameda County, CA
Oakland Hebrew Day School
Jewish day school · Grades Pre-K–8
5.2 students per teacher
Oakland, CA
A-Overall grade151 students5 students per teacher
#11 Private Schools with the Smallest Classes in Alameda County, CA
Stratford Schools Dublin
Independent school · Grades Pre-K–5
5.3 students per teacher
Dublin, CA
A+Overall grade132 students5 students per teacher
#12 Private Schools with the Smallest Classes in Alameda County, CA
Escuela Bilingue Internacional
Independent school · Grades Pre-K–8
5.5 students per teacher
Emeryville, CA
A+Overall grade268 students6 students per teacher
#13 Private Schools with the Smallest Classes in Alameda County, CA
Valley Montessori School
Montessori school · Grades Pre-K–8
5.7 students per teacher
Livermore, CA
A+Overall grade232 students6 students per teacher
#14 Private Schools with the Smallest Classes in Alameda County, CA
Livermore Valley Academy
Independent school · Grades Pre-K–9
5.7 students per teacher
Livermore, CA
AOverall grade95 students6 students per teacher
#15 Private Schools with the Smallest Classes in Alameda County, 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
#16 Private Schools with the Smallest Classes in Alameda County, CA
New Horizons School
Independent school · Grades Pre-K–8
5.8 students per teacher
Newark, CA
A+Overall grade94 students6 students per teacher
#17 Private Schools with the Smallest Classes in Alameda County, CA
Park Day School
Independent school · Grades K–8
6 students per teacher
Oakland, CA
A+Overall grade359 students6 students per teacher
#18 Private Schools with the Smallest Classes in Alameda County, CA
Holy Names High School
Independent Catholic school · Grades 9–12
6.4 students per teacher
Oakland, CA
A+Overall gradeAll girls121 students6 students per teacher
#19 Private Schools with the Smallest Classes in Alameda County, CA
California Crosspoint Academy
Christian school (nondenominational) · Grades Pre-K–12
6.6 students per teacher
Hayward, CA
AOverall grade500 students7 students per teacher
#20 Private Schools with the Smallest Classes in Alameda County, CA
Berkwood Hedge School
Independent school · Grades K–8
6.6 students per teacher
Berkeley, CA
A+Overall grade128 students7 students per teacher
#21 Private Schools with the Smallest Classes in Alameda County, CA
The Berkeley School
Independent school · Grades K–8
6.6 students per teacher
Berkeley, CA
A+Overall grade113 students7 students per teacher
#22 Private Schools with the Smallest Classes in Alameda County, CA
Aurora School
Independent school · Grades K–8
7 students per teacher
Oakland, CA
AOverall grade96 students7 students per teacher
#23 Private Schools with the Smallest Classes in Alameda County, CA
Walden Center & School
Independent school · Grades Pre-K–6
7.6 students per teacher
Berkeley, CA
A-Overall grade67 students8 students per teacher
#24 Private Schools with the Smallest Classes in Alameda County, CA
The College Preparatory School
Independent school · Grades 9–12
7.9 students per teacher
Oakland, CA
A+Overall grade367 students8 students per teacher
From official public records, updated October 2026.