#1 Largest Private Schools in Sunnyvale, CA
The King's Academy
Christian school (nondenominational) · Grades 6–12
988 students
Sunnyvale, CA
B+Overall grade988 students15 students per teacher
2026 lists
Largest Private Schools in Sunnyvale, CA
The private schools in Sunnyvale, CA with the most students. Top 9 of 9 schools.
#2 Largest Private Schools in Sunnyvale, CA
Basis Independent Silicon Valley Lower
Independent school · Grades K–5
444 students
Sunnyvale, CA
B-Overall grade444 students9 students per teacher
#3 Largest Private Schools in Sunnyvale, CA
Stratford School - Sunnyvale De Anza Park
Independent school · Grades Pre-K–5
408 students
Sunnyvale, CA
B-Overall grade408 students14 students per teacher
#4 Largest Private Schools in Sunnyvale, CA
Silicon Valley Academy
Islamic school · Grades Pre-K–9
171 students
Sunnyvale, CA
A+Overall grade171 students7 students per teacher
#5 Largest Private Schools in Sunnyvale, CA
Helios School
Independent school · Grades K–8
157 students
Sunnyvale, CA
AOverall grade157 students7 students per teacher
#6 Largest Private Schools in Sunnyvale, CA
French American School of Silicon Valley
Independent school · Grades Pre-K–7
149 students
Sunnyvale, CA
A+Overall grade149 students8 students per teacher
#7 Largest Private Schools in Sunnyvale, CA
Rainbow Montessori
Montessori school · Grades K–5
135 students
Sunnyvale, CA
B-Overall grade135 students14 students per teacher
#8 Largest Private Schools in Sunnyvale, CA
South Peninsula Hebrew Day School
Jewish day school · Grades Pre-K–8
125 students
Sunnyvale, CA
AOverall grade125 students5 students per teacher
#9 Largest Private Schools in Sunnyvale, CA
Sunnyvale Christian School
Christian school (nondenominational) · Grades Pre-K–5
80 students
Sunnyvale, CA
A+Overall grade80 students11 students per teacher
From official public records, updated October 2026.