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).
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.