#1 Largest Private Schools in Whittier, CA
St. Bruno Parish School
Diocesan school · Grades K–8
335 students
Whittier, CA
BOverall grade335 students22 students per teacher
2026 lists
Largest Private Schools in Whittier, CA
The private schools in Whittier, CA with the most students. Top 8 of 8 schools.
#2 Largest Private Schools in Whittier, CA
St. Gregory the Great School
Diocesan school · Grades K–8
282 students
Whittier, CA
B-Overall grade282 students19 students per teacher
#3 Largest Private Schools in Whittier, CA
St. Mary of the Assumption School
Diocesan school · Grades K–8
206 students
Whittier, CA
A-Overall grade206 students17 students per teacher
#4 Largest Private Schools in Whittier, CA
Carden Academy of Whittier
Christian school (nondenominational) · Grades Pre-K–8
95 students
Whittier, CA
AOverall grade95 students7 students per teacher
#5 Largest Private Schools in Whittier, CA
Plymouth Christian School
Christian school (nondenominational) · Grades K–6
71 students
Whittier, CA
A+Overall grade71 students8 students per teacher
#6 Largest Private Schools in Whittier, CA
Primanti Montessori Academy
Montessori school · Grades Pre-K–6
61 students
Whittier, CA
A+Overall grade61 students2 students per teacher
#7 Largest Private Schools in Whittier, CA
Hangui Yu INC DBA Santa Fe Kids Company of Califor
Early childhood program · Grades Pre-K–K
48 students
Whittier, CA
A-Overall grade48 students3 students per teacher
#8 Largest Private Schools in Whittier, CA
Mulberry Tree Preschool
Early childhood program · Grades Pre-K–K
25 students
Whittier, CA
A-Overall grade25 students6 students per teacher
From official public records, updated October 2026.