#1 Most Diverse Private Schools in Walnut Creek, CA
Contra Costa Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 39% of students
Walnut Creek, CA
AOverall grade335 students12 students per teacher
2026 lists
Most Diverse Private Schools in Walnut Creek, CA
Private schools in Walnut Creek, CA with the most varied mix of students. Top 5 of 5 schools.
#2 Most Diverse Private Schools in Walnut Creek, CA
Sonder Creek Academy
Independent school · Grades K–8
Largest group: 47% of students
Walnut Creek, CA
A+Overall grade102 students5 students per teacher
#3 Most Diverse Private Schools in Walnut Creek, CA
St. Mary Elementary School
Diocesan school · Grades Pre-K–8
Largest group: 50% of students
Walnut Creek, CA
B+Overall grade300 students20 students per teacher
#4 Most Diverse Private Schools in Walnut Creek, CA
Berean Christian High School
Christian school (nondenominational) · Grades 9–12
Largest group: 54% of students
Walnut Creek, CA
BOverall grade380 students14 students per teacher
#5 Most Diverse Private Schools in Walnut Creek, CA
Seven Hills School
Independent school · Grades Pre-K–8
Largest group: 60% of students
Walnut Creek, CA
B+Overall grade378 students10 students per teacher
From official public records, updated October 2026.