#1 Largest Private Schools in Garden Grove, CA
Orange Crescent School
Islamic school · Grades Pre-K–11
352 students
Garden Grove, CA
B+Overall grade352 students7 students per teacher
2026 lists
Largest Private Schools in Garden Grove, CA
The private schools in Garden Grove, CA with the most students. Top 10 of 10 schools.
#2 Largest Private Schools in Garden Grove, CA
Crosby Elementary
Independent school · Grades K–6
315 students
Garden Grove, CA
B-Overall grade315 students20 students per teacher
#3 Largest Private Schools in Garden Grove, CA
St. Columban School
Parish school · Grades Pre-K–8
305 students
Garden Grove, CA
B+Overall grade305 students19 students per teacher
#4 Largest Private Schools in Garden Grove, CA
Christ Cathedral Academy
Diocesan school · Grades K–8
282 students
Garden Grove, CA
A+Overall grade282 students14 students per teacher
#5 Largest Private Schools in Garden Grove, CA
Orangewood Academy
Seventh-day Adventist school · Grades K–12
207 students
Garden Grove, CA
A+Overall grade207 students9 students per teacher
#6 Largest Private Schools in Garden Grove, CA
Olive Crest Academy
Special education school · Ungraded
109 students
Garden Grove, CA
BOverall grade109 students11 students per teacher
#7 Largest Private Schools in Garden Grove, CA
Olive Crest Academy - North
Special education school · Grades K–12
106 students
Garden Grove, CA
BOverall grade106 students10 students per teacher
#8 Largest Private Schools in Garden Grove, CA
Padre Pio Academy
Independent Catholic school · Grades K–12
56 students
Garden Grove, CA
AOverall grade56 students7 students per teacher
#9 Largest Private Schools in Garden Grove, CA
Montessori Greenhouse School
Montessori school · Grades K–6
50 students
Garden Grove, CA
A-Overall grade50 students13 students per teacher
#10 Largest Private Schools in Garden Grove, CA
King of Kings Lutheran
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
45 students
Garden Grove, CA
AOverall grade45 students11 students per teacher
From official public records, updated October 2026.