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 10%)
Math Proficiency
Highest math proficiency (Top 10%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 5%)
Science Proficiency
Highest science proficiency (Top 5%)
Graduation Rate
Highest graduation rate (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 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 45% (versus the Texas public high school average of 37%), and reading proficiency score of 74% (versus the 47% statewide average).
Public High School in South Texas Independent School District have a Graduation Rate of 95%, which is more than the Texas average of 89%.
The school with highest graduation rate is South Texas Isd Health Professions, with ≥95% 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
2,552 Schools
# Students
4,531 Students
1,864,677 Students
# Teachers
306 Teachers
125,506 Teachers
Student : Teacher Ratio
15:1
15:1
District Rank
South Texas Independent School District, which is ranked #61 of all 1,196 school districts in Texas (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 99% has stayed relatively flat over five school years.
Overall District Rank
#63 out of 1204 school districts
(Top 10%)
(Top 10%)

Math Test Scores (% Proficient)
60%
41%

Reading/Language Arts Test Scores (% Proficient)
79%
51%

Science Test Scores (% Proficient)
71%
46%

Graduation Rate
≥99%
90%

Students by Ethnicity:
Diversity Score
0.27
0.64
# American Indian Students
5 Students
6,249 Students
% American Indian Students
n/a
n/a
# Asian Students
261 Students
95,920 Students
% Asian Students
6%
5%
# Hispanic Students
3,862 Students
992,082 Students
% Hispanic Students
85%
53%
# Black Students
55 Students
234,075 Students
% Black Students
1%
13%
# White Students
313 Students
483,077 Students
% White Students
7%
26%
# Hawaiian Students
n/a
2,934 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
35 Students
50,340 Students
% of Two or more races Students
1%
3%
Students by Grade:
# Students in PK Grade:
-
6,571
# Students in K Grade:
-
9,336
# Students in 1st Grade:
-
10,076
# Students in 2nd Grade:
-
10,215
# Students in 3rd Grade:
-
10,512
# Students in 4th Grade:
-
10,681
# Students in 5th Grade:
-
11,658
# Students in 6th Grade:
471
32,105
# Students in 7th Grade:
543
38,290
# Students in 8th Grade:
499
40,744
# Students in 9th Grade:
763
472,263
# Students in 10th Grade:
841
438,622
# Students in 11th Grade:
732
406,207
# Students in 12th Grade:
682
367,397
# Ungraded Students:
-
-
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 $14,116. 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
$14,116

Best South Texas Independent School District Public High Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
South Texas Isd Science Academy
Magnet School
(Math: 65-69% | 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
Grades: 9-12
| 846 students
Rank: #22.
South Texas Isd World Scholars
Magnet School
(Math: 45-49% | 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
Grades: 9-12
| 455 students
Rank: #33.
South Texas Isd Health Professions
Magnet School
(Math: 43% | Reading: 77%)
Rank:
Rank:
8/
Top 30%10
700 Med High Dr
Mercedes, TX 78570
(956) 565-2237
Mercedes, TX 78570
(956) 565-2237
Grades: 9-12
| 797 students
Rank: #44.
South Texas Isd Medical Professions
Magnet School
(Math: 30-34% | Reading: 64%)
Rank:
Rank:
6/
Top 50%10
10650 N Expy 77/83
Olmito, TX 78575
(956) 214-6100
Olmito, TX 78575
(956) 214-6100
Grades: 9-12
| 838 students
Rank: n/an/a
100 Med High Dr
Mercedes, TX 78570
(956) 514-4201
Mercedes, TX 78570
(956) 514-4201
Grades: 6-11
| 181 students
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