#1 Most Diverse Private Schools in Garden Grove, CA
Montessori Greenhouse School
Montessori school · Grades K–6
Largest group: 36% of students
Garden Grove, CA
A-Overall grade50 students13 students per teacher
2026 lists
Most Diverse Private Schools in Garden Grove, CA
Private schools in Garden Grove, CA with the most varied mix of students. Top 9 of 9 schools.
#2 Most Diverse Private Schools in Garden Grove, CA
Orangewood Academy
Seventh-day Adventist school · Grades K–12
Largest group: 43% of students
Garden Grove, CA
A+Overall grade207 students9 students per teacher
#3 Most Diverse Private Schools in Garden Grove, CA
Christ Cathedral Academy
Diocesan school · Grades K–8
Largest group: 44% of students
Garden Grove, CA
A+Overall grade282 students14 students per teacher
#4 Most Diverse Private Schools in Garden Grove, CA
Crosby Elementary
Independent school · Grades K–6
Largest group: 47% of students
Garden Grove, CA
B-Overall grade315 students20 students per teacher
#5 Most Diverse Private Schools in Garden Grove, CA
Olive Crest Academy - North
Special education school · Grades K–12
Largest group: 47% of students
Garden Grove, CA
BOverall grade106 students10 students per teacher
#6 Most Diverse Private Schools in Garden Grove, CA
St. Columban School
Parish school · Grades Pre-K–8
Largest group: 48% of students
Garden Grove, CA
B+Overall grade305 students19 students per teacher
#7 Most Diverse Private Schools in Garden Grove, CA
Olive Crest Academy
Special education school · Ungraded
Largest group: 52% of students
Garden Grove, CA
BOverall grade109 students11 students per teacher
#8 Most Diverse Private Schools in Garden Grove, CA
Padre Pio Academy
Independent Catholic school · Grades K–12
Largest group: 54% of students
Garden Grove, CA
AOverall grade56 students7 students per teacher
#9 Most Diverse Private Schools in Garden Grove, CA
Orange Crescent School
Islamic school · Grades Pre-K–11
Largest group: 86% of students
Garden Grove, CA
B+Overall grade352 students7 students per teacher
From official public records, updated October 2026.