#1 Largest Private Schools in the West
Isea International
Independent school · Grades K–12
7,818 students
Newport Beach, CA
B-Overall grade7,818 students
2026 lists
Largest Private Schools in the West
The private schools in the West with the most students. Top 50 of 3,496 schools.
#2 Largest Private Schools in the West
Enlightium Academy
Christian school (nondenominational) · Grades K–12
3,722 students
Spokane, WA
B-Overall grade3,722 students
#3 Largest Private Schools in the West
Punahou School
Independent school · Grades K–12
3,700 students
Honolulu, HI
B+Overall grade3,700 students11 students per teacher
#4 Largest Private Schools in the West
Fairmont Private School
Independent school · Grades Pre-K–12
2,391 students
Anaheim, CA
B+Overall grade2,391 students11 students per teacher
#5 Largest Private Schools in the West
Iolani School
Episcopal school · Grades K–12
2,203 students
Honolulu, HI
A+Overall grade2,203 students10 students per teacher
#6 Largest Private Schools in the West
Faith Lutheran Middle School & High School
Lutheran (Missouri Synod) school · Grades 6–12
2,142 students
Las Vegas, NV
B+Overall grade2,142 students16 students per teacher
#7 Largest Private Schools in the West
Harker
Independent school · Grades K–12
1,983 students
San Jose, CA
BOverall grade1,983 students10 students per teacher
#8 Largest Private Schools in the West
Chaminade College Preparatory-High School
Independent Catholic school · Grades 6–12
1,859 students
West Hills, CA
BOverall grade1,859 students26 students per teacher
#9 Largest Private Schools in the West
St. Francis High School
Diocesan school · Grades 9–12
1,777 students
Mountain View, CA
A+Overall grade1,777 students6 students per teacher
#10 Largest Private Schools in the West
Archbishop Mitty High School
Diocesan school · Grades 9–12
1,770 students
San Jose, CA
A+Overall grade1,770 students14 students per teacher
#11 Largest Private Schools in the West
Cathedral Catholic High School
Diocesan school · Grades 9–12
1,669 students
San Diego, CA
BOverall grade1,669 students17 students per teacher
#12 Largest Private Schools in the West
Bellarmine College Preparatory
Independent Catholic school · Grades 9–12
1,664 students
San Jose, CA
B+Overall gradeAll boys1,664 students18 students per teacher
#13 Largest Private Schools in the West
Oaks Christian School
Christian school (nondenominational) · Grades 4–12
1,663 students
Westlake Village, CA
A+Overall grade1,663 students11 students per teacher
#14 Largest Private Schools in the West
Mater Dei Catholic High School
Diocesan school · Grades K–12
1,659 students
Chula Vista, CA
B-Overall grade1,659 students16 students per teacher
#15 Largest Private Schools in the West
Harvard-Westlake
Episcopal school · Grades 7–12
1,617 students
Los Angeles, CA
A+Overall grade1,617 students8 students per teacher
#16 Largest Private Schools in the West
St. Ignatius College Preparatory
Independent Catholic school · Grades 6–12
1,585 students
San Francisco, CA
A+Overall grade1,585 students12 students per teacher
#17 Largest Private Schools in the West
Bishop Gorman High School
Diocesan school · Grades 9–12
1,533 students
Las Vegas, NV
A-Overall grade1,533 students17 students per teacher
#18 Largest Private Schools in the West
Ontario Christian School
Christian school (nondenominational) · Grades Pre-K–12
1,438 students
Ontario, CA
B+Overall grade1,438 students17 students per teacher
#19 Largest Private Schools in the West
Brophy College Preparatory
Independent Catholic school · Grades 6–12
1,402 students
Phoenix, AZ
AOverall gradeAll boys1,402 students13 students per teacher
#20 Largest Private Schools in the West
Northwest Christian School
Christian school (nondenominational) · Grades Pre-K–12
1,369 students
Phoenix, AZ
B-Overall grade1,369 students17 students per teacher
#21 Largest Private Schools in the West
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
#22 Largest Private Schools in the West
Salpointe Catholic High School
Independent Catholic school · Grades 9–12
1,305 students
Tucson, AZ
BOverall grade1,305 students14 students per teacher
#23 Largest Private Schools in the West
Bridge Academy
Alternative school · Grades Pre-K–12
1,302 students
Los Angeles, CA
BOverall grade1,302 students11 students per teacher
#24 Largest Private Schools in the West
Francis W Parker School
Independent school · Grades Pre-K–12
1,280 students
San Diego, CA
BOverall grade1,280 students11 students per teacher
From official public records, updated October 2026.