For the 2026 school year, there are 7 private schools serving 2,398 students in 78666, TX (there are 3 public schools, serving 940 public students). 72% of all K-12 students in 78666, TX are educated in private schools (compared to the TX state average of 6%).
The top-ranked private schools in 78666, TX include San Marcos Center School, San Marcos Academy, and Hill Country Christian School Of San Marcos.
The average acceptance rate is 89%, which is higher than the Texas private school average acceptance rate of 83%.
71% of private schools in 78666, TX are religiously affiliated (most commonly Christian and Seventh Day Adventist).
Top-Ranked 78666 Texas Private Schools (2026)
School
Location
Quick Facts
1401 Davis Ln
San Marcos, TX 78666
(512) 353-8976
San Marcos, TX 78666
(512) 353-8976
Gr: PK-12 | 1,557 students Avg. class size: 15 students
San Marcos Academy ![San Marcos Academy Photo - Competitive athletics program for boys and girls in middle and upper school (grades 6-12).]( "San Marcos Academy Photo - Competitive athletics program for boys and girls in middle and upper school (grades 6-12).")
(Baptist)
2801 Ranch Road 12
San Marcos, TX 78666
(512) 753-8000
San Marcos, TX 78666
(512) 753-8000
Gr: PK-12 | 353 students Avg. class size: 15 students Sports: 14 | Extracurrculars: 8 Tuition & acceptance rate listed
San Marcos Center School
Special Education School
120 Bert Brown Street
San Marcos, TX 78666
(512) 396-8500
San Marcos, TX 78666
(512) 396-8500
Gr: 5-12 | 144 students
1523 Old Ranch Road 12
San Marcos, TX 78666
(512) 392-9475
San Marcos, TX 78666
(512) 392-9475
Gr: PK-10 | 51 students Avg. class size: 10 students Sports: 3 Tuition & acceptance rate listed
Paloma Montessori School
Daycare / Preschool
125 W Mccarty Ln
San Marcos, TX 78666
(512) 667-6022
San Marcos, TX 78666
(512) 667-6022
Gr: K | 70 students
Southwest Texas High School
Vocational/Technical School (Islamic)
2800 Hwy Airport Blvd
San Marcos, TX 78666
(512) 396-6448
San Marcos, TX 78666
(512) 396-6448
Gr: 8-12 | 101 students
Wonderland School
(Christian)
302 Country Estates Dr
San Marcos, TX 78666
(512) 392-9404
San Marcos, TX 78666
(512) 392-9404
Gr: PK-5 | 122 students Avg. class size: 15 students Tuition listed
Frequently Asked Questions
What are the top-ranked private schools in 78666, TX?
The top-ranked private schools in 78666, TX include San Marcos Center School, San Marcos Academy, and Hill Country Christian School Of San Marcos.
How many private schools are located in 78666?
7 private schools are located in 78666.
How diverse are private schools in 78666?
78666 private schools are approximately 43% minority students, which is higher than the Texas private school average of 41%.
What percentage of students in 78666 go to private school?
72% of all K-12 students in 78666 are educated in private schools (compared to the TX state average of 6%).
What percentage of private schools are religiously affiliated in 78666?
71% of private schools in 78666 are religiously affiliated (most commonly Christian and Seventh Day Adventist).
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