#1 Largest Private Schools in San Rafael, CA
Marin Academy
Independent school · Grades 9–12
459 students
San Rafael, CA
AOverall grade459 students8 students per teacher
2026 lists
Largest Private Schools in San Rafael, CA
The private schools in San Rafael, CA with the most students. Top 11 of 11 schools.
#2 Largest Private Schools in San Rafael, CA
Mark Day School
Independent school · Grades K–8
386 students
San Rafael, CA
B+Overall grade386 students10 students per teacher
#3 Largest Private Schools in San Rafael, CA
St. Isabella School
Parish school · Grades K–8
285 students
San Rafael, CA
BOverall grade285 students20 students per teacher
#4 Largest Private Schools in San Rafael, CA
St. Raphael School
Parish school · Grades Pre-K–8
193 students
San Rafael, CA
A+Overall grade193 students14 students per teacher
#5 Largest Private Schools in San Rafael, CA
Marin Waldorf School
Independent school · Grades Pre-K–8
145 students
San Rafael, CA
A+Overall grade145 students3 students per teacher
#6 Largest Private Schools in San Rafael, CA
Brandeis Marin
Jewish day school · Grades K–8
140 students
San Rafael, CA
A+Overall grade140 students5 students per teacher
#7 Largest Private Schools in San Rafael, CA
Montessori De Terra Linda
Montessori school · Grades Pre-K–6
96 students
San Rafael, CA
A-Overall grade96 students6 students per teacher
#8 Largest Private Schools in San Rafael, CA
Star Academy
Special education school · Grades 4–12
89 students
San Rafael, CA
AOverall grade89 students8 students per teacher
#9 Largest Private Schools in San Rafael, CA
The Helix School
Special education school · Grades K–12
43 students
San Rafael, CA
AOverall grade43 students4 students per teacher
#10 Largest Private Schools in San Rafael, CA
The Helix School
Special education school · Grades K–12
38 students
San Rafael, CA
BOverall grade38 students20 students per teacher
#11 Largest Private Schools in San Rafael, CA
Fusion Academy Marin
Alternative school · Grades 6–12
23 students
San Rafael, CA
AOverall grade23 students2 students per teacher
From official public records, updated October 2026.