For the 2026 school year, there are 2 public high schools serving 612 students in Sinton, TX.
The top-ranked public high school in Sinton, TX is Sinton High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Sinton, TX public high schools have an average math proficiency score of 32% (versus the Texas public high school average of 38%), and reading proficiency score of 40% (versus the 47% statewide average). High schools in Sinton have an average ranking of 3/10, which is in the bottom 50% of Texas public high schools.
Sinton, TX public high school have a Graduation Rate of 95%, which is more than the Texas average of 90%.
The school with highest graduation rate is Sinton 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 83% of the student body (majority Hispanic), which is more than the Texas public high school average of 74% (majority Hispanic).
Best Public High Schools in Sinton, TX (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sinton High School
(Math: 30-34% | Reading: 40%)
Rank:
Rank:
3/
Bottom 50%10
400 N Pirate Blvd
Sinton, TX 78387
(361) 364-6650
Sinton, TX 78387
(361) 364-6650
Gr: 9-12 | 601 students Student-teacher ratio: 13:1 Minority enrollment: 83%
Rank: n/an/a
Juvenile Detention Center
Alternative School
107 W 5th St
Sinton, TX 78387
(361) 364-9508
Sinton, TX 78387
(361) 364-9508
Gr: 8-12 | 11 students Student-teacher ratio: 11:1 Minority enrollment: 91%
Sinton, Texas Public Schools (Closed)
School
Location
Quick Facts
Alter Ed Prog (Closed 2005)
Alternative School
800 E Sinton St
Sinton, TX 78387
(361) 364-6814
Sinton, TX 78387
(361) 364-6814
Gr: K-12 | 6 students
800 S San Patricio
Sinton, TX 78387
(361) 364-6890
Sinton, TX 78387
(361) 364-6890
Gr: 5-6 | 319 students Student-teacher ratio: 15:1 Minority enrollment: 82%
Frequently Asked Questions
What are the top-ranked public high schools in Sinton, TX?
The top-ranked public high schools in Sinton, TX include Sinton High School.
How many public high schools are located in Sinton?
2 public high schools are located in Sinton.
What is the racial composition of students in Sinton?
Sinton public high schools minority enrollment is 83% of the student body (majority Hispanic), which is more than the Texas public high schools average of 74% (majority Hispanic).