For the 2026-27 school year, there are 4 public high schools serving 3,511 students in 78582, TX.
The top-ranked public high schools in 78582, TX are Preparatory For Early College High School, Grulla High School and Idea Rio Grande City College Preparatory. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high schools in zipcode 78582 have an average math proficiency score of 43% (versus the Texas public high school average of 38%), and reading proficiency score of 34% (versus the 47% statewide average). High schools in 78582, TX have an average ranking of 4/10, which is in the bottom 50% of Texas public high schools.
Public high school in zipcode 78582 have a Graduation Rate of 96%, which is more than the Texas average of 90%.
The school with highest graduation rate is Rio Grande City High School, with 97% graduation rate. Read more about public school graduation rate statistics in Texas or national school graduation rate statistics.
Minority enrollment is 99% of the student body (majority Hispanic), which is more than the Texas public high school average of 75% (majority Hispanic).
Best 78582, TX Public High Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
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
Gr: 9-12 | 430 students Student-teacher ratio: 12:1
Rank: #22.
Grulla High School
(Math: 75% | Reading: 20%)
Rank:
Rank:
5/
Bottom 50%10
6884 E Hwy 83
Rio Grande City, TX 78582
(956) 370-4294
Rio Grande City, TX 78582
(956) 370-4294
Gr: 8-12 | 716 students Student-teacher ratio: 13:1
Rank: #33.
Idea Rio Grande City College Preparatory
Charter School
(Math: 35% | 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
Gr: 6-12 | 695 students Student-teacher ratio: 15:1 Minority enrollment: 97%
Rank: #44.
Rio Grande City High School
(Math: 34% | Reading: 26%)
Rank:
Rank:
2/
Bottom 50%10
5726 Fm 755
Rio Grande City, TX 78582
(956) 488-6000
Rio Grande City, TX 78582
(956) 488-6000
Gr: 9-12 | 1,670 students Student-teacher ratio: 14:1
Frequently Asked Questions
What are the top-ranked public high schools in 78582, TX?
The top-ranked public high schools in 78582, TX include Preparatory For Early College High School, Grulla High School and Idea Rio Grande City College Preparatory.
How many public high schools are located in 78582?
4 public high schools are located in 78582.
What is the racial composition of students in 78582?
78582 public high schools minority enrollment is 99% of the student body (majority Hispanic), which is more than the Texas public high schools average of 75% (majority Hispanic).
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