Total enrollment
4,639
+445 (+11%) vs SY 2020-21
9 schools in SOUTH TEXAS ISD
Texas · 4,639 students · 4 cities
SOUTH TEXAS ISD runs 9 public K-12 schools per the latest NCES counts, with total enrollment near 4,639 (2 elementary, 2 middle, and 5 high).
4-year change in SOUTH TEXAS ISD
SY 2020-21 vs SY 2024-25School count
7
+1 (+17%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How SOUTH TEXAS ISD ranks
Among districts| Measure | This district | In Texas | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 72.5% | #8 of 667 | N/A |
| Enrollment ranked largest first | 4,639 | #221 of 760 | #2,077 of 9,234 |
| Number of schools ranked most first | 7 | #240 of 760 | N/A |
| Students per teacher ranked fewest first | 14.1:1 | #400 of 758 | #4,529 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 57.9% | #423 of 750 | #3,101 of 8,164 |
| Diversity index ranked most diverse first | 23.8% | #481 of 557 | #5,331 of 6,853 |
Districts need at least 2 schools and 500 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Inside SOUTH TEXAS ISD
State test results across the district's 6 scored schools run from South Texas ISD Preparatory Academy at 81.9% proficient to South Texas ISD Health Professions at 64.8%, a gap of 17.0 points. That is the 267th widest gap among 352 Texas districts with four or more scored schools.
Since 2017-18, the 6 district schools that reported both years went from 4,245 to 4,427 students (up 4%) and from 297 to 314 full-time teachers (up 6%), as of 2024-25.
Proficient is the average share of students meeting the state standard across each school's state tests in 2023-24 and 2024-25; schools with fewer than 100 students and schools serving specialized populations are left out. Staffing figures come from the NCES Common Core of Data and count only schools that reported students and teachers in both years.
| Name | City | Level | Grades | Enrollment |
|---|---|---|---|---|
| SOUTH TEXAS ISD SCIENCE ACADEMY | Mercedes | High | 09-12 | 840 |
| SOUTH TEXAS ISD MEDICAL PROFESSIONS | Olmito | High | 09-12 | 820 |
| SOUTH TEXAS ISD PREPARATORY ACADEMY | Edinburg | Middle | 06-08 | 802 |
| SOUTH TEXAS ISD HEALTH PROFESSIONS | Mercedes | High | 09-12 | 781 |
| SOUTH TEXAS ISD RISING SCHOLARS ACADEMY | San Benito | Middle | 06-08 | 781 |
| SOUTH TEXAS ISD WORLD SCHOLARS | Edinburg | High | 09-12 | 403 |
| SOUTH TEXAS ISD VIRTUAL ACADEMY | Mercedes | High | 06-12 | 212 |
| CAMERON CO J J A E P | Mercedes | Elementary | M-M | · |
| HIDALGO CO J J A E P | Mercedes | Elementary | M-M | · |
About SOUTH TEXAS ISD
SOUTH TEXAS ISD runs 9 public schools across Texas, collectively instructing roughly 4,639 students.
In terms of grade levels, SOUTH TEXAS ISD spans 2 elementary, 2 middle, and 5 high schools.
Per-school enrollment averages around 515 in this district, noticeably below the Texas typical of 606.
Trend over the past 4 years. Across the same 4-year window, public-school enrollment expanded 11%: 4,194 students in SY 2020-21 versus 4,639 in SY 2024-25. Over that span, SOUTH TEXAS ISD gained 1 school, going from 6 to 7.
Within the allk12 community for this area, the community for SOUTH TEXAS ISD discusses school events, board meetings, and seasonal calendars. Discussions cut across districts, schools, and grade levels.