For the 2026 school year, there are 4 public schools serving 1,051 students in 78666, TX (there are 5 private schools, serving 2,271 private students). 27% of all K-12 students in 78666, TX are educated in public schools (compared to the TX state average of 94%).
The top-ranked public schools in 78666, TX are Blanco Vista Elementary School, 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 schools in zipcode 78666 have an average math proficiency score of 40% (versus the Texas public school average of 44%), and reading proficiency score of 46% (versus the 51% statewide average). Schools in 78666, TX have an average ranking of 5/10, which is in the bottom 50% of Texas public schools.
Minority enrollment is 74% of the student body (majority Hispanic), which is less than the Texas public school average of 76% (majority Hispanic).
Best 78666, TX Public Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Blanco Vista Elementary School
(Math: 51% | Reading: 60%)
Rank:
Rank:
8/
Top 30%10
2951 Blanco Vista Blvd
San Marcos, TX 78666
(512) 268-8506
San Marcos, TX 78666
(512) 268-8506
Gr: PK-5 | 787 students Student-teacher ratio: 15:1 Minority enrollment: 79%
Rank: #22.
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: #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 schools in 78666, TX?
The top-ranked public schools in 78666, TX include Blanco Vista Elementary School, Hays Inspire Academy and Ki Charter Academy.
How many public schools are located in 78666?
4 public schools are located in 78666.
What percentage of students in 78666 go to public school?
27% of all K-12 students in 78666 are educated in public schools (compared to the TX state average of 94%).
What is the racial composition of students in 78666?
78666 public schools minority enrollment is 74% of the student body (majority Hispanic), which is less than the Texas public schools average of 76% (majority Hispanic).
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