#1 Private Schools with the Smallest Classes in Whittier, CA
Primanti Montessori Academy
Montessori school · Grades Pre-K–6
1.6 students per teacher
Whittier, CA
A+Overall grade61 students2 students per teacher
2026 lists
Private Schools with the Smallest Classes in Whittier, CA
Private schools in Whittier, CA with the fewest students per teacher (not counting preschools and special education schools). Top 6 of 6 schools.
#2 Private Schools with the Smallest Classes in Whittier, CA
Carden Academy of Whittier
Christian school (nondenominational) · Grades Pre-K–8
7.3 students per teacher
Whittier, CA
AOverall grade95 students7 students per teacher
#3 Private Schools with the Smallest Classes in Whittier, CA
Plymouth Christian School
Christian school (nondenominational) · Grades K–6
8.1 students per teacher
Whittier, CA
A+Overall grade71 students8 students per teacher
#4 Private Schools with the Smallest Classes in Whittier, CA
St. Mary of the Assumption School
Diocesan school · Grades K–8
17.2 students per teacher
Whittier, CA
A-Overall grade206 students17 students per teacher
#5 Private Schools with the Smallest Classes in Whittier, CA
St. Gregory the Great School
Diocesan school · Grades K–8
18.8 students per teacher
Whittier, CA
B-Overall grade282 students19 students per teacher
#6 Private Schools with the Smallest Classes in Whittier, CA
St. Bruno Parish School
Diocesan school · Grades K–8
22.2 students per teacher
Whittier, CA
BOverall grade335 students22 students per teacher
From official public records, updated October 2026.