#1 Most Diverse Private Schools in San Diego County, CA
Escondido Adventist Academy
Seventh-day Adventist school · Grades K–12
Largest group: 30% of students
Escondido, CA
A+Overall grade143 students11 students per teacher
2026 lists
Most Diverse Private Schools in San Diego County, CA
Private schools in San Diego County, CA with the most varied mix of students. Top 50 of 102 schools.
#2 Most Diverse Private Schools in San Diego County, CA
St. Augustine High School
Independent Catholic school · Grades 9–12
Largest group: 31% of students
San Diego, CA
A+Overall gradeAll boys729 students11 students per teacher
#3 Most Diverse Private Schools in San Diego County, CA
St. Columba School
Parish school · Grades Pre-K–8
Largest group: 32% of students
San Diego, CA
A-Overall grade211 students19 students per teacher
#4 Most Diverse Private Schools in San Diego County, CA
Country Montessori School of Poway
Montessori school · Grades Pre-K–5
Largest group: 33% of students
Poway, CA
AOverall grade85 students5 students per teacher
#5 Most Diverse Private Schools in San Diego County, CA
Sam & Rose Stein Education Center
Special education school · Ungraded
Largest group: 33% of students
San Diego, CA
A+Overall grade85 students7 students per teacher
#6 Most Diverse Private Schools in San Diego County, CA
Brookshire International Academy
Independent school · Grades 9–12
Largest group: 34% of students
La Mesa, CA
B-Overall grade1,035 students
#7 Most Diverse Private Schools in San Diego County, CA
The Bishop's School
Episcopal school · Grades 6–12
Largest group: 34% of students
La Jolla, CA
A+Overall grade800 students7 students per teacher
#8 Most Diverse Private Schools in San Diego County, CA
Victory Christian Academy
Lutheran (Missouri Synod) school · Grades K–12
Largest group: 34% of students
Chula Vista, CA
A+Overall grade316 students14 students per teacher
#9 Most Diverse Private Schools in San Diego County, CA
Grace Christian School
Lutheran (Missouri Synod) school · Grades K–8
Largest group: 34% of students
Escondido, CA
B+Overall grade163 students18 students per teacher
#10 Most Diverse Private Schools in San Diego County, CA
Grace Christian School
Christian school (nondenominational) · Grades K–3
Largest group: 34% of students
San Diego, CA
A-Overall grade58 students12 students per teacher
#11 Most Diverse Private Schools in San Diego County, CA
Christ the Cornerstone Lutheran Academy
Lutheran (Missouri Synod) school · Grades Pre-K–5
Largest group: 39% of students
San Diego, CA
A+Overall grade54 students8 students per teacher
#12 Most Diverse Private Schools in San Diego County, CA
High Bluff Academy
Independent school · Grades 9–12
Largest group: 40% of students
Rancho Santa Fe, CA
A-Overall grade60 students7 students per teacher
#13 Most Diverse Private Schools in San Diego County, CA
Academy of Our Lady of Peace
Independent Catholic school · Grades 9–12
Largest group: 41% of students
San Diego, CA
A+Overall gradeAll girls730 students18 students per teacher
#14 Most Diverse Private Schools in San Diego County, CA
The Rock Academy
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 43% of students
San Diego, CA
A+Overall grade466 students11 students per teacher
#15 Most Diverse Private Schools in San Diego County, CA
Army & Navy Academy
Independent school · Grades 7–12
Largest group: 43% of students
Carlsbad, CA
BOverall gradeAll boys258 students8 students per teacher
#16 Most Diverse Private Schools in San Diego County, CA
Soille San Diego Hebrew Bay School
Jewish day school · Grades Pre-K–8
Largest group: 43% of students
San Diego, CA
A+Overall grade171 students8 students per teacher
#17 Most Diverse Private Schools in San Diego County, CA
Francis Parker School
Independent school · Grades Pre-K–12
Largest group: 44% of students
San Diego, CA
BOverall grade1,276 students11 students per teacher
#18 Most Diverse Private Schools in San Diego County, CA
St. Joseph Academy
Independent Catholic school · Grades K–12
Largest group: 44% of students
San Marcos, CA
B+Overall grade355 students15 students per teacher
#19 Most Diverse Private Schools in San Diego County, CA
Bright Horizon Academy
Islamic school · Grades K–12
Largest group: 44% of students
San Diego, CA
B+Overall grade304 students10 students per teacher
#20 Most Diverse Private Schools in San Diego County, CA
St. Didacus School
Parish school · Grades Pre-K–8
Largest group: 46% of students
San Diego, CA
A+Overall grade145 students12 students per teacher
#21 Most Diverse Private Schools in San Diego County, CA
Good Shepherd Catholic School
Parish school · Grades Pre-K–8
Largest group: 47% of students
San Diego, CA
A+Overall grade229 students17 students per teacher
#22 Most Diverse Private Schools in San Diego County, CA
San Diego Center for Children Academy
Special education school · Grades 1–12
Largest group: 47% of students
San Diego, CA
B+Overall grade77 students9 students per teacher
#23 Most Diverse Private Schools in San Diego County, CA
La Jolla Country Day School
Independent school · Grades Pre-K–12
Largest group: 48% of students
La Jolla, CA
AOverall grade1,110 students9 students per teacher
#24 Most Diverse Private Schools in San Diego County, CA
Vista Christian School
Assembly of God school · Grades K–8
Largest group: 48% of students
Vista, CA
A+Overall grade210 students12 students per teacher
From official public records, updated October 2026.