For the 2025 school year, there are 6 public high schools serving 5,321 students in Starr County, TX.
The top ranked public high schools in Starr County, TX are Preparatory For Early College High School, San Isidro High School and Grulla High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Starr County, TX public high schools have an average math proficiency score of 35% (versus the Texas public high school average of 37%), and reading proficiency score of 34% (versus the 47% statewide average). High schools in Starr County have an average ranking of 2/10, which is in the bottom 50% of Texas public high schools.
Starr County, TX public high school have a Graduation Rate of 91%, which is more than the Texas average of 89%.
The school with highest graduation rate is Grulla 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 100% 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 Starr County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Preparatory For Early College High School
(Math: 45-49% | Reading: 70-74%)
Rank:
Rank:
8/
Top 30%10
144 Fm 3167
Rio Grande City, TX 78582
(956) 370-4254
Rio Grande City, TX 78582
(956) 370-4254
Grades: 9-12
| 413 students
Rank: #22.
San Isidro High School
(Math: 21-39% | Reading: 40-59%)
Rank:
Rank:
4/
Bottom 50%10
5175 Fm 1017
San Isidro, TX 78588
(956) 481-3110
San Isidro, TX 78588
(956) 481-3110
Grades: 9-12
| 67 students
Rank: #33.
Grulla High School
(Math: 51% | Reading: 20%)
Rank:
Rank:
4/
Bottom 50%10
6884 E Hwy 83
Rio Grande City, TX 78582
(956) 370-4294
Rio Grande City, TX 78582
(956) 370-4294
Grades: 9-12
| 770 students
Rank: #44.
Idea Rio Grande City College Preparatory
Charter School
(Math: 34% | Reading: 44%)
Rank:
Rank:
4/
Bottom 50%10
2803 W Monarch Ln
Rio Grande City, TX 78582
(956) 263-4900
Rio Grande City, TX 78582
(956) 263-4900
Grades: 6-12
| 661 students
Rank: #55.
Rio Grande City High School
(Math: 37% | Reading: 26%)
Rank:
Rank:
3/
Bottom 50%10
5726 Fm 755
Rio Grande City, TX 78582
(956) 488-6000
Rio Grande City, TX 78582
(956) 488-6000
Grades: 9-12
| 1,674 students
Rank: #66.
Roma High School
(Math: 24% | Reading: 33%)
Rank:
Rank:
2/
Bottom 50%10
2021 N Us Hwy 83
Roma, TX 78584
(956) 849-1333
Roma, TX 78584
(956) 849-1333
Grades: 9-12
| 1,736 students
Starr County Public Schools (Closed)
School
Location
Grades
Students
1334 Fourth St
Roma, TX 78584
(956) 849-1717
Roma, TX 78584
(956) 849-1717
Grades: PK
| 464 students
Instructional & Guidance Center (Closed 2024)
Alternative School
120 Luciano Rd
Roma, TX 78584
(956) 849-8900
Roma, TX 78584
(956) 849-8900
Grades: 6-12
| 28 students
800 Gladiator Dr
Roma, TX 78584
(956) 849-2341
Roma, TX 78584
(956) 849-2341
Grades: 5-6
| 922 students
5175 Fm 1017
San Isidro, TX 78588
(956) 481-3107
San Isidro, TX 78588
(956) 481-3107
Grades: PK-8
| 96 students
3210 Old Escobares Hwy 83
Roma, TX 78584
(956) 849-4800
Roma, TX 78584
(956) 849-4800
Grades: PK-5
| n/a students
Frequently Asked Questions
What are the top ranked public high schools in Starr County, TX?
The top ranked public high schools in Starr County, TX include Preparatory For Early College High School, San Isidro High School and Grulla High School.
How many public high schools are located in Starr County?
6 public high schools are located in Starr County.
What is the racial composition of students in Starr County?
Starr County public high schools minority enrollment is 100% of the student body (majority Hispanic), which is more than the Texas public high schools average of 74% (majority Hispanic).
Which public high schools in Starr County are often viewed compared to one another?
Popular comparisons of public high schools in Starr County include: Grulla High School vs. Rio Grande City High School, Rio Grande City High School vs. Grulla High School
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