#1 Private Schools with the Smallest Classes in Alhambra, CA
Oneonta Montessori School
Montessori school · Grades Pre-K–5
8.4 students per teacher
Alhambra, CA
AOverall grade72 students8 students per teacher
2026 lists
Private Schools with the Smallest Classes in Alhambra, CA
Private schools in Alhambra, 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 Alhambra, CA
St. Thomas More School
Diocesan school · Grades K–8
8.5 students per teacher
Alhambra, CA
A+Overall grade50 students9 students per teacher
#3 Private Schools with the Smallest Classes in Alhambra, CA
Emmaus Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
12.2 students per teacher
Alhambra, CA
A-Overall grade115 students12 students per teacher
#4 Private Schools with the Smallest Classes in Alhambra, CA
Ramona Convent Secondary School
Independent Catholic school · Grades 9–12
12.4 students per teacher
Alhambra, CA
A+Overall gradeAll girls321 students12 students per teacher
#5 Private Schools with the Smallest Classes in Alhambra, CA
Bell Tower Trilingual School
Independent school · Grades Pre-K–7
13.3 students per teacher
Alhambra, CA
B+Overall grade88 students13 students per teacher
#6 Private Schools with the Smallest Classes in Alhambra, CA
All Souls World Language Catholic School
Diocesan school · Grades K–8
17.8 students per teacher
Alhambra, CA
AOverall grade338 students18 students per teacher
From official public records, updated October 2026.