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 Hill Country Christian School Of San Marcos, San Marcos Academy, and San Marcos Center School.
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 Hill Country Christian School Of San Marcos, San Marcos Academy, and San Marcos Center School.
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).
Recent Articles
How Private Schools Evaluate “Soft Skills” Like Leadership and Grit
Learn how private schools assess leadership, grit, resilience, and character, and why these soft skills are becoming increasingly important in admissions.
How Private Schools Handle Cell Phones: Why Phone-Free Campuses Are Growing
Discover how private schools manage cell phones, why phone-free campuses are growing, and how reduced social media access can benefit students.
Executive Function Skills: The Key to Academic Success
Learn why executive function skills are among the strongest predictors of academic success and how parents and schools can strengthen them.
