For the 2026 school year, there are 3 public charter schools serving 268 students in San Marcos, TX.
The top-ranked public charter schools in San Marcos, TX are Hays Inspire Academy, Texas Preparatory School - Austin Campus 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 charter schools have an average math proficiency score of 12% (versus the Texas public charter school average of 38%), and reading proficiency score of 19% (versus the 49% statewide average). Charter schools in San Marcos have an average ranking of 1/10, which is in the bottom 50% of Texas public charter schools.
Minority enrollment is 62% of the student body (majority Hispanic), which is less than the Texas public charter school average of 88% (majority Hispanic).
Best Public Charter 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.
Texas Preparatory School - Austin Campus
Charter School
(Math: ≤20% | Reading: 40-59%)
Rank:
Rank:
3/
Bottom 50%10
7540 Ed Bluestein Blvd
San Marcos, TX 78667
(512) 928-3000
San Marcos, TX 78667
(512) 928-3000
Gr: K-6 | 59 students Student-teacher ratio: 7:1
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%
Frequently Asked Questions
What are the top-ranked public charter schools in San Marcos, TX?
The top-ranked public charter schools in San Marcos, TX include Hays Inspire Academy, Texas Preparatory School - Austin Campus and Ki Charter Academy.
How many public charter schools are located in San Marcos?
3 public charter schools are located in San Marcos.
What is the racial composition of students in San Marcos?
San Marcos public charter schools minority enrollment is 62% of the student body (majority Hispanic), which is less than the Texas public charter schools average of 88% (majority Hispanic).
Recent Articles
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.