#1 Private Schools with the Smallest Classes in San Diego County, CA
North County Christian School
Christian school (nondenominational) · Grades 1–12
1.6 students per teacher
Bonsall, CA
A+Overall grade129 students2 students per teacher
2026 lists
Private Schools with the Smallest Classes in San Diego County, CA
Private schools in San Diego County, CA with the fewest students per teacher (not counting preschools and special education schools). Top 50 of 102 schools.
#2 Private Schools with the Smallest Classes in San Diego County, CA
Fusion Academy SLB: Solana Beach
Alternative school · Grades 6–12
1.8 students per teacher
Solana Beach, CA
A-Overall grade52 students2 students per teacher
#3 Private Schools with the Smallest Classes in San Diego County, CA
Scripps Montessori School
Montessori school · Grades Pre-K–5
3.4 students per teacher
San Diego, CA
AOverall grade41 students3 students per teacher
#4 Private Schools with the Smallest Classes in San Diego County, 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
#5 Private Schools with the Smallest Classes in San Diego County, CA
Country Montessori School of Poway
Montessori school · Grades Pre-K–5
4.5 students per teacher
Poway, CA
AOverall grade85 students5 students per teacher
#6 Private Schools with the Smallest Classes in San Diego County, CA
Leport Montessori
Montessori school · Grades Pre-K–6
4.5 students per teacher
Del Mar, CA
A-Overall grade45 students5 students per teacher
#7 Private Schools with the Smallest Classes in San Diego County, CA
Grauer School the
Independent school · Grades 7–12
5.1 students per teacher
Encinitas, CA
AOverall grade160 students5 students per teacher
#8 Private Schools with the Smallest Classes in San Diego County, 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
#9 Private Schools with the Smallest Classes in San Diego County, CA
The Bishop's School
Episcopal school · Grades 6–12
6.7 students per teacher
La Jolla, CA
A+Overall grade800 students7 students per teacher
#10 Private Schools with the Smallest Classes in San Diego County, CA
High Bluff Academy
Independent school · Grades 9–12
6.8 students per teacher
Rancho Santa Fe, CA
A-Overall grade60 students7 students per teacher
#11 Private Schools with the Smallest Classes in San Diego County, CA
Coastal Christian Academy
Christian school (nondenominational) · Grades Pre-K–8
7 students per teacher
San Diego, CA
AOverall grade51 students7 students per teacher
#12 Private Schools with the Smallest Classes in San Diego County, 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
#13 Private Schools with the Smallest Classes in San Diego County, CA
The Childrens School
Independent school · Grades Pre-K–8
7.3 students per teacher
La Jolla, CA
AOverall grade188 students7 students per teacher
#14 Private Schools with the Smallest Classes in San Diego County, CA
Christ Church Day School
Episcopal school · Grades K–6
7.3 students per teacher
Coronado, CA
A+Overall grade92 students7 students per teacher
#15 Private Schools with the Smallest Classes in San Diego County, CA
Diegueno Country School
Independent school · Grades K–6
7.4 students per teacher
Rancho Santa Fe, CA
A+Overall grade147 students7 students per teacher
#16 Private Schools with the Smallest Classes in San Diego County, CA
Pacific Academy
Independent school · Grades K–12
7.5 students per teacher
Encinitas, CA
A+Overall grade113 students8 students per teacher
#17 Private Schools with the Smallest Classes in San Diego County, CA
Horizon Prep
Christian school (nondenominational) · Grades Pre-K–12
7.6 students per teacher
Rancho Santa Fe, CA
A+Overall grade308 students8 students per teacher
#18 Private Schools with the Smallest Classes in San Diego County, CA
San Diego French American School
Independent school · Grades Pre-K–8
7.6 students per teacher
La Jolla, CA
AOverall grade256 students8 students per teacher
#19 Private Schools with the Smallest Classes in San Diego County, 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
#20 Private Schools with the Smallest Classes in San Diego County, 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
#21 Private Schools with the Smallest Classes in San Diego County, CA
St. Therese Academy
Diocesan school · Grades K–8
7.9 students per teacher
San Diego, CA
A+Overall grade302 students8 students per teacher
#22 Private Schools with the Smallest Classes in San Diego County, CA
The Gillispie School
Independent school · Grades Pre-K–6
8 students per teacher
La Jolla, CA
AOverall grade198 students8 students per teacher
#23 Private Schools with the Smallest Classes in San Diego County, CA
Mt. Helix Academy - Tiee
Independent school · Grades Pre-K–8
8.1 students per teacher
La Mesa, CA
AOverall grade186 students8 students per teacher
#24 Private Schools with the Smallest Classes in San Diego County, CA
Army & Navy Academy
Independent school · Grades 7–12
8.3 students per teacher
Carlsbad, CA
BOverall gradeAll boys258 students8 students per teacher
From official public records, updated October 2026.