For the 2026 school year, there are 4 public high schools serving 2,635 students in San Marcos, TX.
The top-ranked public high schools in San Marcos, TX are Hays Inspire Academy, San Marcos High School and Ki Charter Academy. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
San Marcos, TX public high schools have an average math proficiency score of 15% (versus the Texas public high school average of 38%), and reading proficiency score of 30% (versus the 47% statewide average). High schools in San Marcos have an average ranking of 1/10, which is in the bottom 50% of Texas public high schools.
San Marcos, TX public high school have a Graduation Rate of 84%, which is less than the Texas average of 90%.
The school with highest graduation rate is San Marcos High School, with 84% graduation rate. Read more about public school graduation rate statistics in Texas or national school graduation rate statistics.
Minority enrollment is 79% of the student body (majority Hispanic), which is more than the Texas public high school average of 75% (majority Hispanic).
Best Public High Schools in San Marcos, TX (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Hays Inspire Academy
Alternative School
Charter School
Charter School
(Math: <50% | Reading: 21-39%)
Rank:
Rank:
4/
Bottom 50%10
2250 Clovis R Barker Rd
San Marcos, TX 78666
(210) 638-5400
San Marcos, TX 78666
(210) 638-5400
Gr: 6-12 | 24 students Student-teacher ratio: 12:1 Minority enrollment: 58%
Rank: #22.
San Marcos High School
(Math: 16% | Reading: 32%)
Rank:
Rank:
1/
Bottom 50%10
2601 Rattler Rd
San Marcos, TX 78667
(512) 393-6805
San Marcos, TX 78667
(512) 393-6805
Gr: 9-12 | 2,371 students Student-teacher ratio: 15:1 Minority enrollment: 81%
Rank: #33.
Ki Charter Academy
Alternative School
Charter School
Charter School
(Math: 6-9% | Reading: 10-14%)
Rank:
Rank:
1/
Bottom 50%10
120 Bert Brown Rd
San Marcos, TX 78666
(512) 396-8500
San Marcos, TX 78666
(512) 396-8500
Gr: 1-12 | 185 students Student-teacher ratio: 7:1 Minority enrollment: 50%
Rank: n/an/a
Lamar - Phoenix Alternative Education
Alternative School
121 De Zavala Dr
San Marcos, TX 78666
(512) 393-6932
San Marcos, TX 78666
(512) 393-6932
Gr: 9-12 | 55 students Student-teacher ratio: 14:1 Minority enrollment: 91%
Frequently Asked Questions
What are the top-ranked public high schools in San Marcos, TX?
The top-ranked public high schools in San Marcos, TX include Hays Inspire Academy, San Marcos High School and Ki Charter Academy.
How many public high schools are located in San Marcos?
4 public high schools are located in San Marcos.
What is the racial composition of students in San Marcos?
San Marcos public high schools minority enrollment is 79% of the student body (majority Hispanic), which is more than the Texas public high schools average of 75% (majority Hispanic).
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