For the 2026 school year, there are 5 private high schools serving 2,206 students in 78666, TX.
The top-ranked private high schools in 78666, TX include San Marcos Academy, San Marcos Center School, and Hill Country Christian School Of San Marcos.
The average acceptance rate is 89%, which is higher than the Texas private high school average acceptance rate of 83%.
80% of private high schools in 78666, TX are religiously affiliated (most commonly Christian and Seventh Day Adventist).
Top-Ranked 78666 Texas Private High 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
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
Frequently Asked Questions
What are the top-ranked private high schools in 78666, TX?
The top-ranked private high schools in 78666, TX include San Marcos Academy, San Marcos Center School, and Hill Country Christian School Of San Marcos.
How many private high schools are located in 78666?
5 private high schools are located in 78666.
How diverse are private high schools in 78666?
78666 private high schools are approximately 46% minority students, which is higher than the Texas private school average of 37%.
What percentage of private high schools are religiously affiliated in 78666?
80% of private high schools in 78666 are religiously affiliated (most commonly Christian and Seventh Day Adventist).
Recent Articles
Ask Current Parents What Admissions Won't Answer
Learn how to ask current private school parents revealing questions about culture, academics, communication, costs, discipline, and community life before deciding whether a school truly fits your family well.
When School Anxiety Is Really a School Fit Problem
Learn when school anxiety may signal a poor school fit, how parents can identify academic or social mismatches, and when changing private schools deserves serious consideration for families today.
Will My Child Find Their People? Evaluating School Culture
Learn how to evaluate private school culture, student belonging, friendships, teacher relationships, social dynamics, and authentic community fit so your child can find the right place to thrive and connect.
