#25 Largest Private Schools in San Antonio, TX
St. Pius X Catholic School
Parish school · Grades Pre-K–8
201 students
San Antonio, TX
B+Overall grade201 students14 students per teacher
2026 lists
Largest Private Schools in San Antonio, TX
The private schools in San Antonio, TX with the most students. Top 50 of 65 schools.
From official public records, updated October 2026.