#1 Private Schools with the Smallest Classes in San Diego, CA
Scripps Montessori School
Montessori school · Grades Pre-K–5
3.4 students per teacher
San Diego, CA
AOverall grade41 students3 students per teacher
2026 lists
Private Schools with the Smallest Classes in San Diego, CA
Private schools in San Diego, CA with the fewest students per teacher (not counting preschools and special education schools). Top 43 of 43 schools.
#2 Private Schools with the Smallest Classes in San Diego, CA
Mission Bay Montessori Academy
Montessori school · Grades Pre-K–6
3.5 students per teacher
San Diego, CA
A-Overall grade129 students4 students per teacher
#3 Private Schools with the Smallest Classes in San Diego, CA
Tabernacle Christian Academy
Pentecostal school · Grades Pre-K–12
5.3 students per teacher
San Diego, CA
A+Overall grade46 students5 students per teacher
#4 Private Schools with the Smallest Classes in San Diego, CA
Coastal Christian Academy
Christian school (nondenominational) · Grades Pre-K–8
7 students per teacher
San Diego, CA
AOverall grade51 students7 students per teacher
#5 Private Schools with the Smallest Classes in San Diego, CA
Warren-Walker School
Independent school · Grades Pre-K–5
7.2 students per teacher
San Diego, CA
A+Overall grade143 students7 students per teacher
#6 Private Schools with the Smallest Classes in San Diego, CA
Soille San Diego Hebrew Bay School
Jewish day school · Grades Pre-K–8
7.6 students per teacher
San Diego, CA
A+Overall grade171 students8 students per teacher
#7 Private Schools with the Smallest Classes in San Diego, CA
Christ the Cornerstone Lutheran Academy
Lutheran (Missouri Synod) school · Grades Pre-K–5
7.7 students per teacher
San Diego, CA
A+Overall grade54 students8 students per teacher
#8 Private Schools with the Smallest Classes in San Diego, CA
St. Therese Academy
Diocesan school · Grades K–8
7.9 students per teacher
San Diego, CA
A+Overall grade302 students8 students per teacher
#9 Private Schools with the Smallest Classes in San Diego, CA
Del Mar Pines School
Independent school · Grades K–6
8.3 students per teacher
San Diego, CA
A+Overall grade155 students8 students per teacher
#10 Private Schools with the Smallest Classes in San Diego, CA
The Waldorf School of San Diego
Independent school · Grades Pre-K–12
8.4 students per teacher
San Diego, CA
A+Overall grade251 students8 students per teacher
#11 Private Schools with the Smallest Classes in San Diego, CA
Reformation Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
8.6 students per teacher
San Diego, CA
A+Overall grade67 students9 students per teacher
#12 Private Schools with the Smallest Classes in San Diego, CA
Le Lycee Francais De San Diego
Independent school · Grades Pre-K–8
9.7 students per teacher
San Diego, CA
BOverall grade149 students10 students per teacher
#13 Private Schools with the Smallest Classes in San Diego, CA
Bright Horizon Academy
Islamic school · Grades K–12
10 students per teacher
San Diego, CA
B+Overall grade304 students10 students per teacher
#14 Private Schools with the Smallest Classes in San Diego, CA
Cristo Rey San Diego High School
Independent Catholic school · Grades 9–12
10.1 students per teacher
San Diego, CA
A-Overall grade180 students10 students per teacher
#15 Private Schools with the Smallest Classes in San Diego, CA
The Rock Academy
Christian school (nondenominational) · Grades Pre-K–12
10.6 students per teacher
San Diego, CA
A+Overall grade466 students11 students per teacher
#16 Private Schools with the Smallest Classes in San Diego, CA
Bright Horizon Academy
Islamic school · Grades Pre-K–12
10.7 students per teacher
San Diego, CA
AOverall grade322 students11 students per teacher
#17 Private Schools with the Smallest Classes in San Diego, CA
Francis Parker School
Independent school · Grades Pre-K–12
10.8 students per teacher
San Diego, CA
BOverall grade1,276 students11 students per teacher
#18 Private Schools with the Smallest Classes in San Diego, CA
Francis W Parker School
Independent school · Grades Pre-K–12
11.1 students per teacher
San Diego, CA
BOverall grade1,280 students11 students per teacher
#19 Private Schools with the Smallest Classes in San Diego, CA
St. Augustine High School
Independent Catholic school · Grades 9–12
11.4 students per teacher
San Diego, CA
A+Overall gradeAll boys729 students11 students per teacher
#20 Private Schools with the Smallest Classes in San Diego, CA
Childrens Creative/Performing Arts Acad San Diego
Independent school · Grades Pre-K–12
11.4 students per teacher
San Diego, CA
BOverall grade186 students11 students per teacher
#21 Private Schools with the Smallest Classes in San Diego, CA
Grace Christian School
Christian school (nondenominational) · Grades K–3
11.6 students per teacher
San Diego, CA
A-Overall grade58 students12 students per teacher
#22 Private Schools with the Smallest Classes in San Diego, CA
Nativity Prep Academy
Independent Catholic school · Grades 6–8
11.7 students per teacher
San Diego, CA
AOverall grade70 students12 students per teacher
#23 Private Schools with the Smallest Classes in San Diego, CA
San Diego Jewish Academy
Jewish day school · Grades Pre-K–12
12 students per teacher
San Diego, CA
B-Overall grade156 students12 students per teacher
#24 Private Schools with the Smallest Classes in San Diego, CA
Maria Montessori School
Montessori school · Grades Pre-K–8
12.1 students per teacher
San Diego, CA
B+Overall grade108 students12 students per teacher
From official public records, updated October 2026.