#25 Private Schools with the Smallest Classes in San Francisco, CA
The Bay School of San Francisco
Independent school · Grades 9–12
7.3 students per teacher
San Francisco, CA
A+Overall grade447 students7 students per teacher
2026 lists
Private Schools with the Smallest Classes in San Francisco, CA
Private schools in San Francisco, CA with the fewest students per teacher (not counting preschools and special education schools). Top 50 of 72 schools.
From official public records, updated October 2026.