#1 Private Schools with the Smallest Classes in Contra Costa County, CA
Fusion Academy--Walnut Creek
Independent school · Grades 7–12
2.5 students per teacher
Walnut Creek, CA
AOverall grade40 students3 students per teacher
2026 lists
Private Schools with the Smallest Classes in Contra Costa County, CA
Private schools in Contra Costa County, CA with the fewest students per teacher (not counting preschools and special education schools). Top 50 of 50 schools.
#2 Private Schools with the Smallest Classes in Contra Costa County, CA
The Concordia School
Montessori school · Grades Pre-K–6
3.5 students per teacher
Concord, CA
A+Overall grade50 students4 students per teacher
#3 Private Schools with the Smallest Classes in Contra Costa County, CA
Sonder Creek Academy
Independent school · Grades K–8
4.7 students per teacher
Walnut Creek, CA
A+Overall grade102 students5 students per teacher
#4 Private Schools with the Smallest Classes in Contra Costa County, CA
Prospect Sierra School
Independent school · Grades K–8
4.9 students per teacher
El Cerrito, CA
A+Overall grade476 students5 students per teacher
#5 Private Schools with the Smallest Classes in Contra Costa County, CA
The Saklan School
Independent school · Grades Pre-K–8
5.8 students per teacher
Moraga, CA
A+Overall grade98 students6 students per teacher
#6 Private Schools with the Smallest Classes in Contra Costa County, CA
Golestan School
Independent school · Grades Pre-K–5
6.3 students per teacher
El Cerrito, CA
AOverall grade53 students6 students per teacher
#7 Private Schools with the Smallest Classes in Contra Costa County, CA
Calvary Christian
Christian school (nondenominational) · Grades 1–12
6.4 students per teacher
Concord, CA
A+Overall grade56 students6 students per teacher
#8 Private Schools with the Smallest Classes in Contra Costa County, CA
Noble Learning Academy
Independent school · Grades 6–8
6.4 students per teacher
Walnut Creek, CA
A-Overall grade41 students6 students per teacher
#9 Private Schools with the Smallest Classes in Contra Costa County, CA
East Bay Montessori
Montessori school · Grades K–8
6.9 students per teacher
El Cerrito, CA
AOverall grade68 students7 students per teacher
#10 Private Schools with the Smallest Classes in Contra Costa County, CA
The Dorris-Eaton School
Independent school · Grades Pre-K–8
7.2 students per teacher
San Ramon, CA
BOverall grade332 students7 students per teacher
#11 Private Schools with the Smallest Classes in Contra Costa County, CA
Contra Costa Jewish Day School
Jewish day school · Grades K–8
7.4 students per teacher
Lafayette, CA
A+Overall grade172 students7 students per teacher
#12 Private Schools with the Smallest Classes in Contra Costa County, CA
Carondelet High School
Independent Catholic school · Grades 9–12
8 students per teacher
Concord, CA
A+Overall gradeAll girls834 students8 students per teacher
#13 Private Schools with the Smallest Classes in Contra Costa County, CA
The Athenian School
Independent school · Grades 6–12
8.2 students per teacher
Danville, CA
A+Overall grade537 students8 students per teacher
#14 Private Schools with the Smallest Classes in Contra Costa County, CA
Bentley School
Independent school · Grades K–12
8.4 students per teacher
Lafayette, CA
AOverall grade634 students8 students per teacher
#15 Private Schools with the Smallest Classes in Contra Costa County, CA
Crestmont School
Independent school · Grades K–8
9.1 students per teacher
Richmond, CA
AOverall grade51 students9 students per teacher
#16 Private Schools with the Smallest Classes in Contra Costa County, CA
The Meher Schools
Independent school · Grades Pre-K–5
9.4 students per teacher
Lafayette, CA
B+Overall grade180 students9 students per teacher
#17 Private Schools with the Smallest Classes in Contra Costa County, CA
Seven Hills School
Independent school · Grades Pre-K–8
10.1 students per teacher
Walnut Creek, CA
B+Overall grade378 students10 students per teacher
#18 Private Schools with the Smallest Classes in Contra Costa County, CA
Pleasant Hill Adventist Academy
Seventh-day Adventist school · Grades K–12
10.1 students per teacher
Pleasant Hill, CA
A+Overall grade114 students10 students per teacher
#19 Private Schools with the Smallest Classes in Contra Costa County, CA
Bethel Christian Academy
Baptist school · Grades K–9
10.2 students per teacher
El Sobrante, CA
A-Overall grade50 students10 students per teacher
#20 Private Schools with the Smallest Classes in Contra Costa County, CA
St. Agnes Elementary School
Parish school · Grades K–8
10.3 students per teacher
Concord, CA
A+Overall grade261 students10 students per teacher
#21 Private Schools with the Smallest Classes in Contra Costa County, CA
El Sobrante Christian School
Assembly of God school · Grades K–8
11 students per teacher
El Sobrante, CA
A+Overall grade95 students11 students per teacher
#22 Private Schools with the Smallest Classes in Contra Costa County, CA
Kindercare Learning Center #1039
Independent school · Grades Pre-K–5
11.2 students per teacher
Antioch, CA
BOverall grade67 students11 students per teacher
#23 Private Schools with the Smallest Classes in Contra Costa County, CA
Contra Costa Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
11.6 students per teacher
Walnut Creek, CA
AOverall grade335 students12 students per teacher
#24 Private Schools with the Smallest Classes in Contra Costa County, CA
Heritage Baptist Academy
Baptist school · Grades K–12
11.6 students per teacher
Antioch, CA
AOverall grade80 students12 students per teacher
From official public records, updated October 2026.