#1 Largest Private Schools in San Marcos, TX
San Marcos Baptist Academy
Baptist school · Grades Pre-K–12
318 students
San Marcos, TX
BOverall grade318 students9 students per teacher
2026 lists
Largest Private Schools in San Marcos, TX
The private schools in San Marcos, TX with the most students. Top 5 of 5 schools.
#2 Largest Private Schools in San Marcos, TX
Hill Country Christian School of San Marcos
Christian school (nondenominational) · Grades Pre-K–12
211 students
San Marcos, TX
AOverall grade211 students9 students per teacher
#3 Largest Private Schools in San Marcos, TX
Seventh Adventist Jr. Academy
Seventh-day Adventist school · Grades Pre-K–10
47 students
San Marcos, TX
A-Overall grade47 students9 students per teacher
#4 Largest Private Schools in San Marcos, TX
Wonderland School
Christian school (nondenominational) · Grades Pre-K–5
44 students
San Marcos, TX
A-Overall grade44 students9 students per teacher
#5 Largest Private Schools in San Marcos, TX
Paloma Montessori School
Montessori school · Grades Pre-K–1
32 students
San Marcos, TX
B+Overall grade32 students8 students per teacher
From official public records, updated October 2026.