#1 Best Private Schools in Walnut Creek, CA
Sonder Creek Academy
Independent school · Grades K–8
Smaller classes than 85% of independent schools in California
Walnut Creek, CA
A+Overall grade102 students5 students per teacher
2026 lists
Best Private Schools in Walnut Creek, CA
Private schools in Walnut Creek, CA with the highest overall grades. Top 5 of 5 schools.
#2 Best Private Schools in Walnut Creek, CA
Contra Costa Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
Growing: enrollment up 31% since 2011–12
Walnut Creek, CA
AOverall grade335 students12 students per teacher
#3 Best Private Schools in Walnut Creek, CA
St. Mary Elementary School
Diocesan school · Grades Pre-K–8
The only Catholic school in Walnut Creek
Walnut Creek, CA
B+Overall grade300 students20 students per teacher
#4 Best Private Schools in Walnut Creek, CA
Seven Hills School
Independent school · Grades Pre-K–8
The largest independent school in Walnut Creek
Walnut Creek, CA
B+Overall grade378 students10 students per teacher
#5 Best Private Schools in Walnut Creek, CA
Berean Christian High School
Christian school (nondenominational) · Grades 9–12
85% of graduates go to four-year colleges
Walnut Creek, CA
BOverall grade380 students14 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.