For the 2026 school year, there are 5 public high schools serving 2,868 students in 78155, TX.
The top-ranked public high schools in 78155, TX are Mercer & Blumberg Lrn Center, Navarro High School and Seguin High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high schools in zipcode 78155 have an average math proficiency score of 23% (versus the Texas public high school average of 38%), and reading proficiency score of 39% (versus the 47% statewide average). High schools in 78155, TX have an average ranking of 3/10, which is in the bottom 50% of Texas public high schools.
Public high school in zipcode 78155 have a Graduation Rate of 91%, which is more than the Texas average of 90%.
The school with highest graduation rate is Navarro High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Texas or national school graduation rate statistics.
Minority enrollment is 72% of the student body (majority Hispanic), which is less than the Texas public high school average of 75% (majority Hispanic).
Best 78155, TX Public High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Mercer & Blumberg Lrn Center
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
6/
Top 50%10
118 N Bowie St
Seguin, TX 78155
(830) 401-8690
Seguin, TX 78155
(830) 401-8690
Gr: 9-12 | 73 students Student-teacher ratio: 10:1 Minority enrollment: 77%
Rank: #22.
Navarro High School
(Math: 33% | Reading: 60-64%)
Rank:
Rank:
6/
Top 50%10
6350 N State Hwy 123
Seguin, TX 78155
(830) 372-1931
Seguin, TX 78155
(830) 372-1931
Gr: 9-12 | 703 students Student-teacher ratio: 13:1 Minority enrollment: 53%
Rank: #33.
Seguin High School
(Math: 20% | Reading: 34%)
Rank:
Rank:
1/
Bottom 50%10
1315 E Cedar
Seguin, TX 78155
(830) 401-8000
Seguin, TX 78155
(830) 401-8000
Gr: 9-12 | 2,020 students Student-teacher ratio: 16:1 Minority enrollment: 78%
Rank: #44.
Juvenile Detention Center
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
2615 N Guadalupe St
Seguin, TX 78155
(830) 372-3037
Seguin, TX 78155
(830) 372-3037
Gr: 7-12 | 28 students Student-teacher ratio: 28:1 Minority enrollment: 82%
Rank: n/an/a
Discipline Alternative School At Saegert
Alternative School
118 N Bowie St
Seguin, TX 78155
(830) 401-1261
Seguin, TX 78155
(830) 401-1261
Gr: 3-12 | 44 students Student-teacher ratio: 6:1 Minority enrollment: 79%
Frequently Asked Questions
What are the top-ranked public high schools in 78155, TX?
The top-ranked public high schools in 78155, TX include Mercer & Blumberg Lrn Center, Navarro High School and Seguin High School.
How many public high schools are located in 78155?
5 public high schools are located in 78155.
What is the racial composition of students in 78155?
78155 public high schools minority enrollment is 72% of the student body (majority Hispanic), which is less 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.