#1 Private Schools with the Smallest Classes in Walnut Creek, 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 Walnut Creek, CA
Private schools in Walnut Creek, CA with the fewest students per teacher (not counting preschools and special education schools). Top 7 of 7 schools.
#2 Private Schools with the Smallest Classes in Walnut Creek, CA
Sonder Creek Academy
Independent school · Grades K–8
4.7 students per teacher
Walnut Creek, CA
A+Overall grade102 students5 students per teacher
#3 Private Schools with the Smallest Classes in Walnut Creek, CA
Noble Learning Academy
Independent school · Grades 6–8
6.4 students per teacher
Walnut Creek, CA
A-Overall grade41 students6 students per teacher
#4 Private Schools with the Smallest Classes in Walnut Creek, 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
#5 Private Schools with the Smallest Classes in Walnut Creek, 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
#6 Private Schools with the Smallest Classes in Walnut Creek, CA
Berean Christian High School
Christian school (nondenominational) · Grades 9–12
14.4 students per teacher
Walnut Creek, CA
BOverall grade380 students14 students per teacher
#7 Private Schools with the Smallest Classes in Walnut Creek, CA
St. Mary Elementary School
Diocesan school · Grades Pre-K–8
20 students per teacher
Walnut Creek, CA
B+Overall grade300 students20 students per teacher
From official public records, updated October 2026.