Top Rankings
South Texas Independent School District ranks among the top 20% of public school district in Texas for:
Category
Attribute
Overall Rank
Highest overall rank (Top 5%)
Math Proficiency
Highest math proficiency (Top 5%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 5%)
Science Proficiency
Highest science proficiency (Top 5%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025-26 school year, there are 5 public high schools serving 3,117 students in South Texas Independent School District. This district's average high testing ranking is 9/10, which is in the top 20% of public high schools in Texas.
Public High Schools in South Texas Independent School District have an average math proficiency score of 51% (versus the Texas public high school average of 38%), and reading proficiency score of 74% (versus the 47% statewide average).
The top ranked public high schools in South Texas Independent School District are South Texas Isd Science Academy, South Texas Isd World Scholars and South Texas Isd Health Professions. Overall testing rank is based on a school's combined math and reading proficiency test score ranking. Public High School in South Texas Independent School District have a Graduation Rate of 96%, which is more than the Texas average of 90%.
The school with highest graduation rate is South Texas Isd Medical Professions, with ≥99% graduation rate. Read more about public school graduation rate statistics in Texas or national school graduation rate statistics.
Minority enrollment is 93% of the student body (majority Hispanic), which is more than the Texas public high school average of 74% (majority Hispanic).
Overview
This School District
This State (TX)
# Schools
7 Schools
2,546 Schools
# Students
4,531 Students
1,864,528 Students
# Teachers
306 Teachers
125,497 Teachers
Student-Teacher Ratio
15:1
15:1
Student By Grade
District Rank
South Texas Independent School District, which is ranked #30 of all 1,196 school districts in Texas (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 99% has stayed relatively flat over five school years.
Overall District Rank
#29 out of 1202 school districts
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
69%
44%
Reading/Language Arts Test Scores (% Proficient)
79%
51%
Science Test Scores (% Proficient)
71%
46%
Graduation Rate
(21-22)≥99%
90%
Students by Ethnicity:
Diversity Score
0.27
0.64
% American Indian
n/a
n/a
% Asian
6%
5%
% Hispanic
85%
53%
% Black
1%
13%
% White
7%
26%
% Hawaiian
n/a
n/a
% Two or more races
1%
3%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $17,234 is higher than the state median of $13,387. The school district revenue/student has declined by 7% over four school years.
The school district's spending/student of $15,043 is higher than the state median of $14,117. The school district spending/student has declined by 7% over four school years.
Total Revenue
$78 MM
$74,029 MM
Spending
$68 MM
$78,063 MM
Revenue / Student
$17,234
$13,387
Spending / Student
$15,043
$14,117
Best South Texas Independent School District Public High Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
South Texas Isd Science Academy
Magnet School
(Math: 75-79% | Reading: 80-84%)
Rank:
Rank:
10/
Top 5%10
900 Med High Dr
Mercedes, TX 78570
(956) 565-4620
Mercedes, TX 78570
(956) 565-4620
Gr: 9-12 | 846 students Student-teacher ratio: 15:1 Minority enrollment: 91%
Rank: #22.
South Texas Isd World Scholars
Magnet School
(Math: 50-54% | Reading: 75-79%)
Rank:
Rank:
9/
Top 20%10
510 S Sugar Rd
Edinburg, TX 78539
(956) 383-1684
Edinburg, TX 78539
(956) 383-1684
Gr: 9-12 | 455 students Student-teacher ratio: 14:1 Minority enrollment: 93%
Rank: #33.
South Texas Isd Health Professions
Magnet School
(Math: 40-44% | Reading: 77%)
Rank:
Rank:
8/
Top 30%10
700 Med High Dr
Mercedes, TX 78570
(956) 565-2237
Mercedes, TX 78570
(956) 565-2237
Gr: 9-12 | 797 students Student-teacher ratio: 14:1 Minority enrollment: 95%
Rank: #44.
South Texas Isd Medical Professions
Magnet School
(Math: 44% | Reading: 64%)
Rank:
Rank:
7/
Top 50%10
10650 N Expy 77/83
Olmito, TX 78575
(956) 214-6100
Olmito, TX 78575
(956) 214-6100
Gr: 9-12 | 838 students Student-teacher ratio: 15:1 Minority enrollment: 97%
Rank: n/an/a
100 Med High Dr
Mercedes, TX 78570
(956) 514-4201
Mercedes, TX 78570
(956) 514-4201
Gr: 6-11 | 181 students Student-teacher ratio: 11:1 Minority enrollment: 67%
Recent Articles
Texas Schools Enrollment Trends & Policy in 2025
Latest data and policy changes on Texas public school enrollment growth, funding, and virtual education in 2025.
Financial Aid & Hidden Costs in Public Schools
Learn about financial aid and hidden costs in public schools. Discover what parents should budget for beyond tuition-free education.
NYC Schools Still Most Segregated in 2025
Despite reforms, New York City schools remain the most segregated in the U.S. in 2025. Here鈥檚 what parents and educators need to know.
