#1 Largest Private Schools in Ventura, CA
St. Bonaventure High School
Diocesan school · Grades 9–12
373 students
Ventura, CA
B+Overall grade373 students16 students per teacher
2026 lists
Largest Private Schools in Ventura, CA
The private schools in Ventura, CA with the most students. Top 7 of 7 schools.
#2 Largest Private Schools in Ventura, CA
Our Lady of the Assumption School
Independent Catholic school · Grades Pre-K–8
254 students
Ventura, CA
B+Overall grade254 students20 students per teacher
#3 Largest Private Schools in Ventura, CA
City Christian School
Christian school (nondenominational) · Grades K–8
204 students
Ventura, CA
BOverall grade204 students21 students per teacher
#4 Largest Private Schools in Ventura, CA
Sacred Heart Elementary School
Diocesan school · Grades K–8
172 students
Ventura, CA
A+Overall grade172 students17 students per teacher
#5 Largest Private Schools in Ventura, CA
Ventura County Christian School
Christian school (nondenominational) · Grades Pre-K–12
156 students
Ventura, CA
B+Overall grade156 students14 students per teacher
#6 Largest Private Schools in Ventura, CA
Holy Cross School @ San Buenaventura Mission
Diocesan school · Grades K–8
110 students
Ventura, CA
A+Overall grade110 students15 students per teacher
#7 Largest Private Schools in Ventura, CA
Ventura Christian Academy
Pentecostal school · Grades 1–12
33 students
Ventura, CA
AOverall grade33 students6 students per teacher
From official public records, updated October 2026.