#1 Largest Private Schools in Los Altos, CA
Pinewood Private of Los Altos
Independent school · Grades K–12
598 students
Los Altos, CA
A-Overall grade598 students7 students per teacher
2026 lists
Largest Private Schools in Los Altos, CA
The private schools in Los Altos, CA with the most students. Top 8 of 8 schools.
#2 Largest Private Schools in Los Altos, CA
St. Simon Parish School
Diocesan school · Grades Pre-K–8
477 students
Los Altos, CA
A+Overall grade477 students16 students per teacher
#3 Largest Private Schools in Los Altos, CA
Waldorf School of the Peninsula
Montessori school · Grades Pre-K–12
252 students
Los Altos, CA
B-Overall grade252 students25 students per teacher
#4 Largest Private Schools in Los Altos, CA
Waldorf School-Peninsula
Independent school · Grades Pre-K–12
249 students
Los Altos, CA
BOverall grade249 students16 students per teacher
#5 Largest Private Schools in Los Altos, CA
School for Independent Learners
Independent school · Grades 8–12
225 students
Los Altos, CA
A+Overall grade225 students8 students per teacher
#6 Largest Private Schools in Los Altos, CA
Ventana School
Episcopal school · Grades Pre-K–5
92 students
Los Altos, CA
A+Overall grade92 students6 students per teacher
#7 Largest Private Schools in Los Altos, CA
Miramonte Christian School
Seventh-day Adventist school · Grades 1–8
84 students
Los Altos, CA
AOverall grade84 students14 students per teacher
#8 Largest Private Schools in Los Altos, CA
Heritage Academy
Christian school (nondenominational) · Grades K–5
50 students
Los Altos, CA
A+Overall grade50 students7 students per teacher
From official public records, updated October 2026.