#25 Largest Private Schools in San Francisco County, CA
Cathedral School for Boys
Episcopal school · Grades K–8
256 students
San Francisco, CA
A+Overall gradeAll boys256 students6 students per teacher
2026 lists
Largest Private Schools in San Francisco County, CA
The private schools in San Francisco County, CA with the most students. Top 50 of 80 schools.
From official public records, updated October 2026.