For the 2026 school year, there are 3 public high schools serving 264 students in 78666, TX.
The top-ranked public high schools in 78666, TX are Hays Inspire Academy and Ki Charter Academy. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high schools in zipcode 78666 have an average math proficiency score of 11% (versus the Texas public high school average of 38%), and reading proficiency score of 15% (versus the 47% statewide average). High schools in 78666, TX have an average ranking of 1/10, which is in the bottom 50% of Texas public high schools.
Minority enrollment is 59% of the student body (majority Hispanic), which is less than the Texas public high school average of 75% (majority Hispanic).
Best 78666, TX Public High Schools (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.
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 78666, TX?
The top-ranked public high schools in 78666, TX include Hays Inspire Academy and Ki Charter Academy.
How many public high schools are located in 78666?
3 public high schools are located in 78666.
What is the racial composition of students in 78666?
78666 public high schools minority enrollment is 59% of the student body (majority Hispanic), which is less than the Texas public high schools average of 75% (majority Hispanic).
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