#1 Largest Private Schools in San Juan Capistrano, CA
Jserra Catholic High School
Independent Catholic school · Grades 9–12
1,317 students
San Juan Capistrano, CA
A+Overall grade1,317 students6 students per teacher
2026 lists
Largest Private Schools in San Juan Capistrano, CA
The private schools in San Juan Capistrano, CA with the most students. Top 6 of 6 schools.
#2 Largest Private Schools in San Juan Capistrano, CA
St. Margaret S Episcopal School
Episcopal school · Grades Pre-K–12
1,158 students
San Juan Capistrano, CA
A+Overall grade1,158 students10 students per teacher
#3 Largest Private Schools in San Juan Capistrano, CA
Fairmont San Juan Capistrano
Independent school · Grades Pre-K–12
571 students
San Juan Capistrano, CA
B+Overall grade571 students10 students per teacher
#4 Largest Private Schools in San Juan Capistrano, CA
Stoneybrooke Christian School
Christian school (nondenominational) · Grades Pre-K–8
457 students
San Juan Capistrano, CA
BOverall grade457 students20 students per teacher
#5 Largest Private Schools in San Juan Capistrano, CA
Mission Basilica School
Diocesan school · Grades Pre-K–8
228 students
San Juan Capistrano, CA
A+Overall grade228 students11 students per teacher
#6 Largest Private Schools in San Juan Capistrano, CA
The Johnson Academy
Special education school · Grades 2–8
57 students
San Juan Capistrano, CA
A-Overall grade57 students2 students per teacher
From official public records, updated October 2026.