#1 Largest Private Schools in Alhambra, CA
All Souls World Language Catholic School
Diocesan school · Grades K–8
338 students
Alhambra, CA
AOverall grade338 students18 students per teacher
2026 lists
Largest Private Schools in Alhambra, CA
The private schools in Alhambra, CA with the most students. Top 8 of 8 schools.
#2 Largest Private Schools in Alhambra, CA
Ramona Convent Secondary School
Independent Catholic school · Grades 9–12
321 students
Alhambra, CA
A+Overall gradeAll girls321 students12 students per teacher
#3 Largest Private Schools in Alhambra, CA
Emmaus Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
115 students
Alhambra, CA
A-Overall grade115 students12 students per teacher
#4 Largest Private Schools in Alhambra, CA
Bell Tower Trilingual School
Independent school · Grades Pre-K–7
88 students
Alhambra, CA
B+Overall grade88 students13 students per teacher
#5 Largest Private Schools in Alhambra, CA
Sierra School of Alhambra
Special education school · Grades 1–12
84 students
Alhambra, CA
BOverall grade84 students8 students per teacher
#6 Largest Private Schools in Alhambra, CA
Oneonta Montessori School
Montessori school · Grades Pre-K–5
72 students
Alhambra, CA
AOverall grade72 students8 students per teacher
#7 Largest Private Schools in Alhambra, CA
St. Thomas More School
Diocesan school · Grades K–8
50 students
Alhambra, CA
A+Overall grade50 students9 students per teacher
#8 Largest Private Schools in Alhambra, CA
Lily's Garden Preschool and Kindergarten
Early childhood program · Kindergarten only
34 students
Alhambra, CA
B+Overall grade34 students15 students per teacher
From official public records, updated October 2026.