#49 Largest Private Schools in the West
Mater Dei Catholic H.S.
Diocesan school · Grades 9–12
1,146 students
Chula Vista, CA
A+Overall grade1,146 students17 students per teacher
2026 lists
Largest Private Schools in the West
The private schools in the West with the most students. Top 50 of 3,496 schools.
#50 Largest Private Schools in the West
Sacred Heart Schools Atherton
Independent Catholic school · Grades Pre-K–12
1,144 students
Atherton, CA
BOverall grade1,144 students
From official public records, updated October 2026.