#25 Largest Private Schools in Los Angeles County, CA
Bishop Alemany High School
Diocesan school · Grades 9–12
731 students
Mission Hills, CA
A+Overall grade731 students16 students per teacher
2026 lists
Largest Private Schools in Los Angeles County, CA
The private schools in Los Angeles County, CA with the most students. Top 50 of 540 schools.
From official public records, updated October 2026.