#1 Largest Private Schools in Belmont, CA
Charles Armstrong School
Special education school · Grades 2–8
239 students
Belmont, CA
AOverall grade239 students6 students per teacher
2026 lists
Largest Private Schools in Belmont, CA
The private schools in Belmont, CA with the most students. Top 8 of 8 schools.
#2 Largest Private Schools in Belmont, CA
Belmont Oaks Academy
Independent school · Grades Pre-K–5
227 students
Belmont, CA
A-Overall grade227 students9 students per teacher
#3 Largest Private Schools in Belmont, CA
Notre Dame Elementary School
Independent Catholic school · Grades Pre-K–8
179 students
Belmont, CA
A+Overall grade179 students13 students per teacher
#4 Largest Private Schools in Belmont, CA
Serendipity School
Independent school · Grades K–5
147 students
Belmont, CA
A+Overall grade147 students6 students per teacher
#5 Largest Private Schools in Belmont, CA
Immaculate Heart of Mary School
Parish school · Grades Pre-K–8
100 students
Belmont, CA
A+Overall grade100 students8 students per teacher
#6 Largest Private Schools in Belmont, CA
Field Middle School
Independent school · Grades 6–8
45 students
Belmont, CA
A-Overall gradeAll boys45 students5 students per teacher
#7 Largest Private Schools in Belmont, CA
Compass High School
Special education school · Grades 9–12
41 students
Belmont, CA
A-Overall grade41 students6 students per teacher
#8 Largest Private Schools in Belmont, CA
Compass High School
Special education school · Grades 9–12
41 students
Belmont, CA
A-Overall grade41 students4 students per teacher
From official public records, updated October 2026.