#1 Largest Private Schools in Santa Rosa, CA
Cardinal Newman High School
Diocesan school · Grades 9–12
550 students
Santa Rosa, CA
A+Overall grade550 students11 students per teacher
2026 lists
Largest Private Schools in Santa Rosa, CA
The private schools in Santa Rosa, CA with the most students. Top 14 of 14 schools.
#2 Largest Private Schools in Santa Rosa, CA
Sonoma Academy
Independent school · Grades 9–12
340 students
Santa Rosa, CA
BOverall grade340 students
#3 Largest Private Schools in Santa Rosa, CA
St. Rose Elementary School
Parish school · Grades Pre-K–8
305 students
Santa Rosa, CA
BOverall grade305 students22 students per teacher
#4 Largest Private Schools in Santa Rosa, CA
Sonoma Country Day School
Independent school · Grades Pre-K–8
280 students
Santa Rosa, CA
A+Overall grade280 students7 students per teacher
#5 Largest Private Schools in Santa Rosa, CA
Summerfield Waldorf School and Farm
Independent school · Grades Pre-K–12
225 students
Santa Rosa, CA
BOverall grade225 students9 students per teacher
#6 Largest Private Schools in Santa Rosa, CA
Grace Christian Academy
Christian school (nondenominational) · Grades K–12
189 students
Santa Rosa, CA
B-Overall grade189 students14 students per teacher
#7 Largest Private Schools in Santa Rosa, CA
Victory Christian Academy
Christian school (nondenominational) · Grades K–12
175 students
Santa Rosa, CA
B+Overall grade175 students12 students per teacher
#8 Largest Private Schools in Santa Rosa, CA
Anova Center for Education Sonoma County
Special education school · Grades 2–12
133 students
Santa Rosa, CA
BOverall grade133 students11 students per teacher
#9 Largest Private Schools in Santa Rosa, CA
Redwood Adventist Academy
Seventh-day Adventist school · Grades K–8
98 students
Santa Rosa, CA
AOverall grade98 students14 students per teacher
#10 Largest Private Schools in Santa Rosa, CA
St. Eugene's Cathedral School
Independent Catholic school · Grades K–8
87 students
Santa Rosa, CA
B+Overall grade87 students17 students per teacher
#11 Largest Private Schools in Santa Rosa, CA
Quest Forward High School
Independent school · Grades 9–12
62 students
Santa Rosa, CA
B+Overall grade62 students7 students per teacher
#12 Largest Private Schools in Santa Rosa, CA
College Oak Montessori School
Montessori school · Ungraded
62 students
Santa Rosa, CA
BOverall grade62 students31 students per teacher
#13 Largest Private Schools in Santa Rosa, CA
North Valley School
Special education school · Grades 5–12
33 students
Santa Rosa, CA
B+Overall grade33 students8 students per teacher
#14 Largest Private Schools in Santa Rosa, CA
Stoneypoint Christian Academy
Church of God school · Grades 1–12
30 students
Santa Rosa, CA
B+Overall grade30 students15 students per teacher
From official public records, updated October 2026.