Regular local school district · Hidalgo County
South Texas ISD, TX: schools, enrollment and spending
South Texas ISD runs 7 public schools with 4,639 students in grades 6 to 12. Its ratio of 14.1 students per teacher is 1.0 lower than the Texas figure of 15.1.Listed in NCES data as "SOUTH TEXAS ISD".
At a glance
- Schools
- 7
- Students
- 4,639
- Teachers (FTE)
- 329
- Students per teacher
- 14.1
- TX: 15.1 · US: 15.3
- Address
- 7001 E Expy 83, Mercedes, TX 78570
- Phone
- (956)565-2454
- County
- Hidalgo County
- Locale
- Rural: Fringe
- Grades offered
- 6 to 12
- Agency type
- Regular local school district
- NCES district ID
- 4837150
- State district ID
- TX-031916
- Total staff (FTE)
- 727
- School counselors (FTE)
- 15.0About 309 students per counselor.
- School administrators (FTE)
- 20.0
Students per teacher compared
This district14.1
Texas15.1
United States15.3
2020 finance data
From the F-33 School District Finance Survey for fiscal year 2020, in nominal dollars. Enrollment used for per-pupil figures is the finance survey count (4,194), which can differ from 2024-25 enrollment.
- Total revenue
- $78.1 million
- Federal revenue
- $5.4 million
- State revenue
- $39.9 million
- Local revenue
- $32.8 million
- Total spending
- $68.2 million
- Spending per pupil
- $16,252
- Salaries
- $38.6 million56.6% of total spending.
- Long-term debt (end of year)
- $6.3 million
Where revenue came from
- Federal: 6.9%
- State: 51.1%
- Local: 42.0%
Texas overall
- Federal: 12.6%
- State: 36.9%
- Local: 50.5%
Spending per pupil compared
This district$16,252
Texas$14,396
United States$16,826
Schools in South Texas ISD
By level: 5 high, 2 middle. A CEP school serves free meals to all students.
| South Texas ISD Health Professions | High | 9 to 12 | 781 | 14.7 |
| South Texas ISD Medical Professions | High | 9 to 12 | 820 | 14.4 |
| South Texas ISD Preparatory Academy | Middle | 6 to 8 | 802 | 14.1 |
| South Texas ISD Rising Scholars Academy | Middle | 6 to 8 | 781 | 15.9 |
| South Texas ISD Science Academy | High | 9 to 12 | 840 | 12.9 |
| South Texas ISD Virtual Academy | High | 6 to 12 | 212 | 14.1 |
| South Texas ISD World Scholars | High | 9 to 12 | 403 | 13.4 |
Nearby and related
Other districts in Hidalgo County
- IDEA Public Schools 79,430 students
- Edinburg CISD 33,343 students
- Pharr-San Juan-Alamo ISD 29,613 students
- LA Joya ISD 22,942 students
- McAllen ISD 19,890 students
- Weslaco ISD 16,300 students
- Mission CISD 13,765 students
- Donna ISD 12,937 students
- Sharyland ISD 9,844 students
- Vanguard Academy 6,814 students
- Edcouch-Elsa ISD 4,349 students
- Mercedes ISD 4,207 students
- Valley View ISD 3,444 students
- Hidalgo ISD 2,918 students
- Progreso ISD 1,339 students
More in Texas
Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Finance figures are 2020 finance data in nominal dollars, not adjusted for inflation. Blank values are not available, not applicable or suppressed in the source. See the methodology.