#1 Most Diverse Private Schools in Alhambra, CA
Bell Tower Trilingual School
Independent school · Grades Pre-K–7
Largest group: 40% of students
Alhambra, CA
B+Overall grade88 students13 students per teacher
2026 lists
Most Diverse Private Schools in Alhambra, CA
Private schools in Alhambra, CA with the most varied mix of students. Top 7 of 7 schools.
#2 Most Diverse Private Schools in Alhambra, CA
Oneonta Montessori School
Montessori school · Grades Pre-K–5
Largest group: 44% of students
Alhambra, CA
AOverall grade72 students8 students per teacher
#3 Most Diverse Private Schools in Alhambra, CA
All Souls World Language Catholic School
Diocesan school · Grades K–8
Largest group: 48% of students
Alhambra, CA
AOverall grade338 students18 students per teacher
#4 Most Diverse Private Schools in Alhambra, CA
Sierra School of Alhambra
Special education school · Grades 1–12
Largest group: 52% of students
Alhambra, CA
BOverall grade84 students8 students per teacher
#5 Most Diverse Private Schools in Alhambra, CA
Emmaus Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 59% of students
Alhambra, CA
A-Overall grade115 students12 students per teacher
#6 Most Diverse Private Schools in Alhambra, CA
Ramona Convent Secondary School
Independent Catholic school · Grades 9–12
Largest group: 71% of students
Alhambra, CA
A+Overall gradeAll girls321 students12 students per teacher
#7 Most Diverse Private Schools in Alhambra, CA
St. Thomas More School
Diocesan school · Grades K–8
Largest group: 78% of students
Alhambra, CA
A+Overall grade50 students9 students per teacher
From official public records, updated October 2026.