#1 Largest Private Schools in Pasadena, CA
Polytechnic School
Independent school · Grades K–12
874 students
Pasadena, CA
A+Overall grade874 students7 students per teacher
2026 lists
Largest Private Schools in Pasadena, CA
The private schools in Pasadena, CA with the most students. Top 22 of 22 schools.
#2 Largest Private Schools in Pasadena, CA
La Salle College Preparatory
Independent Catholic school · Grades 9–12
669 students
Pasadena, CA
A+Overall grade669 students13 students per teacher
#3 Largest Private Schools in Pasadena, CA
Maranatha High School
Christian school (nondenominational) · Grades 9–12
550 students
Pasadena, CA
B+Overall grade550 students15 students per teacher
#4 Largest Private Schools in Pasadena, CA
St. Philip the Apostle School
Parish school · Grades Pre-K–8
535 students
Pasadena, CA
A-Overall grade535 students18 students per teacher
#5 Largest Private Schools in Pasadena, CA
Mayfield Junior School
Independent Catholic school · Grades K–8
534 students
Pasadena, CA
A+Overall grade534 students11 students per teacher
#6 Largest Private Schools in Pasadena, CA
Pasadena Christian School
Christian school (nondenominational) · Grades Pre-K–8
462 students
Pasadena, CA
B-Overall grade462 students20 students per teacher
#7 Largest Private Schools in Pasadena, CA
Chandler School
Independent school · Grades K–8
443 students
Pasadena, CA
B+Overall grade443 students10 students per teacher
#8 Largest Private Schools in Pasadena, CA
Sequoyah
Alternative school · Grades K–12
437 students
Pasadena, CA
A+Overall grade437 students8 students per teacher
#9 Largest Private Schools in Pasadena, CA
High Point Academy
Independent school · Grades K–8
355 students
Pasadena, CA
B+Overall grade355 students10 students per teacher
#10 Largest Private Schools in Pasadena, CA
Mayfield Senior School
Diocesan school · Grades 9–12
311 students
Pasadena, CA
A+Overall gradeAll girls311 students8 students per teacher
#11 Largest Private Schools in Pasadena, CA
The Waverly School
Independent school · Grades Pre-K–12
298 students
Pasadena, CA
A+Overall grade298 students9 students per teacher
#12 Largest Private Schools in Pasadena, CA
Ef Academy
Independent school · Grades 9–12
219 students
Pasadena, CA
BOverall grade219 students8 students per teacher
#13 Largest Private Schools in Pasadena, CA
Ef Academy Pasadena
Independent school · Grades 9–12
200 students
Pasadena, CA
B+Overall grade200 students6 students per teacher
#14 Largest Private Schools in Pasadena, CA
New Horizon School Pasadena
Islamic school · Grades K–8
179 students
Pasadena, CA
AOverall grade179 students12 students per teacher
#15 Largest Private Schools in Pasadena, CA
Walden School
Independent school · Grades Pre-K–6
163 students
Pasadena, CA
A-Overall grade163 students10 students per teacher
#16 Largest Private Schools in Pasadena, CA
St. Gregorys a & M Hovsepian School
Religious school · Grades Pre-K–8
154 students
Pasadena, CA
B+Overall grade154 students4 students per teacher
#17 Largest Private Schools in Pasadena, CA
Assumption of the BVM Elementary School
Parish school · Grades K–8
131 students
Pasadena, CA
A+Overall grade131 students10 students per teacher
#18 Largest Private Schools in Pasadena, CA
Marianne Frostig Center of Educational Therapy
Special education school · Grades 2–12
123 students
Pasadena, CA
B-Overall grade123 students10 students per teacher
#19 Largest Private Schools in Pasadena, CA
Tabernacle of David Christian Academy (TDCA)
Christian school (nondenominational) · Grades Pre-K–5
68 students
Pasadena, CA
AOverall grade68 students10 students per teacher
#20 Largest Private Schools in Pasadena, CA
Villa Esperanza Services
Special education school · Grades 3–12
41 students
Pasadena, CA
B+Overall grade41 students7 students per teacher
#21 Largest Private Schools in Pasadena, CA
Friends Western School
Quaker (Friends) school · Grades K–5
39 students
Pasadena, CA
AOverall grade39 students7 students per teacher
#22 Largest Private Schools in Pasadena, CA
Oak Knoll Montessori School, Site a
Montessori school · Grades Pre-K–8
39 students
Pasadena, CA
AOverall grade39 students2 students per teacher
From official public records, updated October 2026.