South Texas ISD Science Academy
Mercedes, TX · South Texas ISD
Regular public school · Grades 9-12 · Suburb, large
143rd of 1,669 Texas high schools statewide · better than 91%· Stable
900 MED HIGH DR, Mercedes, TX 78570
(956)565-4620NCES ID 483715000429Directory 2023–24
SchoolRow ranks South Texas ISD Science Academy 143rd of 1,669 Texas high schools for 2024–25, based on STAAR % at Meets Grade Level or above, 2024–25 (TAPR) English and Math results — better than 91% of high schools statewide. Its statewide percentile went from 89th in 2019 to 91th in 2025.
Percent meeting or exceeding the state standard, STAAR % at Meets Grade Level or above, 2024–25 (TAPR) · 414 students tested
Racial and ethnic breakdown of 846 students (2023–24, NCES) — history since 1992, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| Hispanic | 73.5% | 82.5% | ▲ 9.0 pts | |
| White | 11.7% | 8.6% | ▼ 3.1 pts | |
| Asian | 12.6% | 6.6% | ▼ 6.0 pts | |
| Black | 1.0% | 1.5% | ▲ 0.5 pts | |
| Two or more races | 1.0% | 0.7% | ▼ 0.3 pts |
NCES history for this school begins in 1992. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.
Typical home value $141K in zip 78570 as of 2026-05 · trend since 2007
Data Provided by Zillow Group
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than South Texas ISD Science Academy
- #352South Texas ISD Health ProfessionsSouth Texas ISD · 0.1 mi away352nd of 1,669
ELA 79% ▼5 · Math 42% ▼19Compare - #700South Palm Gardens H SWeslaco ISD · 1 mi away700th of 1,669
ELA 38% ▼46 · Math 57% ▼4Compare - #658Mercedes Early College AcademyMercedes ISD · 1.4 mi away658th of 1,669
ELA 68% ▼16 · Math 30% ▼31Compare - #1308Triumph Public High Schools-MercedesTriumph Public High Schools-Rio Grande Valley · 1.8 mi away · charter1,308th of 1,669
ELA 17% ▼67 · Math 40% ▼21Compare - #1188Weslaco East H SWeslaco ISD · 1.9 mi away1,188th of 1,669
ELA 34% ▼50 · Math 32% ▼29Compare - #1066Premier H S of WeslacoPremier High Schools · 2 mi away · charter1,066th of 1,669
ELA 43% ▼41 · Math 30% ▼31Compare - #1501Mercedes H SMercedes ISD · 2.3 mi away1,501st of 1,669
ELA 28% ▼56 · Math 9% ▼52Compare - #793IDEA College Prep WeslacoIDEA Public Schools · 2.5 mi away · charter793rd of 1,669
ELA 56% ▼28 · Math 33% ▼28Compare
What school district is South Texas ISD Science Academy in?
South Texas ISD Science Academy is part of the South Texas ISD district in Mercedes, Texas.
Is South Texas ISD Science Academy a good school?
SchoolRow ranks South Texas ISD Science Academy 143rd of 1,669 Texas high schools (better than 91% statewide) based on 2024–25 test results (STAAR % at Meets Grade Level or above, 2024–25 (TAPR)).
What is the racial makeup of South Texas ISD Science Academy?
Hispanic 83%, White 9%, Asian 7%, Black 2% (846 students, 2023–24).
How much do homes near South Texas ISD Science Academy cost?
The typical home value in zip code 78570 is $141K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (STAAR % at Meets Grade Level or above, 2024–25 (TAPR), low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.