#1 Largest Private Schools in El Cajon, CA
Christian Elementary School-East Campus
Christian school (nondenominational) · Grades Pre-K–6
476 students
El Cajon, CA
BOverall grade476 students16 students per teacher
2026 lists
Largest Private Schools in El Cajon, CA
The private schools in El Cajon, CA with the most students. Top 8 of 8 schools.
#2 Largest Private Schools in El Cajon, CA
Our Lady of Grace Elementary School
Diocesan school · Grades K–8
305 students
El Cajon, CA
BOverall grade305 students
#3 Largest Private Schools in El Cajon, CA
Foothills Christian High School
Christian school (nondenominational) · Grades 9–12
262 students
El Cajon, CA
B-Overall grade262 students12 students per teacher
#4 Largest Private Schools in El Cajon, CA
Christian Elementary School - West Campus
Baptist school · Grades K–6
204 students
El Cajon, CA
BOverall grade204 students17 students per teacher
#5 Largest Private Schools in El Cajon, CA
Holy Trinity Elementary School
Diocesan school · Grades K–8
141 students
El Cajon, CA
A+Overall grade141 students12 students per teacher
#6 Largest Private Schools in El Cajon, CA
St. Kieran Catholic School
Parish school · Grades Pre-K–8
127 students
El Cajon, CA
A+Overall grade127 students13 students per teacher
#7 Largest Private Schools in El Cajon, CA
Pepper Valley Learning Center
Early childhood program · Grades Pre-K–K
34 students
El Cajon, CA
B+Overall grade34 students34 students per teacher
#8 Largest Private Schools in El Cajon, CA
El Cajon Seventh-Day Adventist Christian School
Seventh-day Adventist school · Grades K–8
24 students
El Cajon, CA
A-Overall grade24 students12 students per teacher
From official public records, updated October 2026.