For the 2025 school year, there are 7 public high schools serving 3,317 students in 78570, TX.
The top ranked public high schools in 78570, TX are South Texas Isd Science Academy, South Texas Isd Health Professions and Mercedes Early College Academy. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high schools in zipcode 78570 have an average math proficiency score of 30% (versus the Texas public high school average of 37%), and reading proficiency score of 49% (versus the 47% statewide average). High schools in 78570, TX have an average ranking of 5/10, which is in the bottom 50% of Texas public high schools.
Public high school in zipcode 78570 have a Graduation Rate of 91%, which is more than the Texas average of 89%.
The school with highest graduation rate is Mercedes Early College Academy, with ≥95% graduation rate. Read more about public school graduation rate statistics in Texas or national school graduation rate statistics.
Minority enrollment is 94% of the student body (majority Hispanic), which is more than the Texas public high school average of 74% (majority Hispanic).
Best 78570, TX 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 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: #33.
Mercedes Early College Academy
Alternative School
(Math: 30-34% | Reading: 45-49%)
Rank:
Rank:
5/
Bottom 50%10
950 W 6th St
Mercedes, TX 78570
(956) 514-5180
Mercedes, TX 78570
(956) 514-5180
Grades: 9-12
| 349 students
Rank: #44.
Mercedes Academic Academy
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
720 S Mile 1 E
Mercedes, TX 78570
(956) 514-5076
Mercedes, TX 78570
(956) 514-5076
Grades: 9-12
| 148 students
Rank: #55.
Triumph Public High Schools-mercedes
Alternative School
Charter School
Charter School
(Math: 11-19% | Reading: 20-29%)
Rank:
Rank:
1/
Bottom 50%10
103 E 2nd St
Mercedes, TX 78570
(956) 565-5417
Mercedes, TX 78570
(956) 565-5417
Grades: 9-12
| 101 students
Rank: #66.
Mercedes High School
(Math: 11% | Reading: 18%)
Rank:
Rank:
1/
Bottom 50%10
1200 S Florida
Mercedes, TX 78570
(956) 514-2100
Mercedes, TX 78570
(956) 514-2100
Grades: 8-12
| 895 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
78570, Texas Public Schools (Closed)
School
Location
Grades
Students
Cameron County J J A E P (Closed 2004)
Alternative School
100 Med High Dr
Mercedes, TX 78570
(956) 565-2454
Mercedes, TX 78570
(956) 565-2454
Grades: n/a
| n/a students
Hidalgo County J J A E P (Closed 2004)
Alternative School
100 Med High Dr
Mercedes, TX 78570
(956) 565-2454
Mercedes, TX 78570
(956) 565-2454
Grades: n/a
| n/a students
700 Med High Dr
Mercedes, TX 78570
(956) 565-2454
Mercedes, TX 78570
(956) 565-2454
Grades: 9-12
| 636 students
801 Hidalgo St
Mercedes, TX 78570
(956) 514-2300
Mercedes, TX 78570
(956) 514-2300
Grades: n/a
| n/a students
837 S Ohio St
Mercedes, TX 78570
(956) 514-2366
Mercedes, TX 78570
(956) 514-2366
Grades: 5-6
| 763 students
Mercedes Daep (Closed 2023)
Alternative School
720 S Mile 1 E
Mercedes, TX 78570
(956) 514-5076
Mercedes, TX 78570
(956) 514-5076
Grades: 2-12
| n/a students
950 W Sixth St
Mercedes, TX 78570
(956) 514-2344
Mercedes, TX 78570
(956) 514-2344
Grades: PK-K
| 629 students
Santa Maria Alternative (Closed 2009)
Alternative School
326 S Texas
Mercedes, TX 78570
(956) 565-3663
Mercedes, TX 78570
(956) 565-3663
Grades: n/a
| n/a students
Frequently Asked Questions
What are the top ranked public high schools in 78570, TX?
The top ranked public high schools in 78570, TX include South Texas Isd Science Academy, South Texas Isd Health Professions and Mercedes Early College Academy.
How many public high schools are located in 78570?
7 public high schools are located in 78570.
What is the racial composition of students in 78570?
78570 public high schools minority enrollment is 94% of the student body (majority Hispanic), which is more than the Texas public high schools average of 74% (majority Hispanic).
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