Enrollment
802
Texas · 2024-25 NCES data
Middle school (grades 6-8) · Edinburg, TX
South Texas Isd Preparatory Academy
Federal NCES profile for South Texas Isd Preparatory Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 483715012250
👥 S:T ratio 24
🌟 Gifted program 70
🎓 Counselors 40
📋 Attendance 71
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
South Texas Isd Preparatory Academy earns 51/100 on the Resource Investment Index, with class sizes larger than 90% of Texas schools.
- #1 of 7
- middle schools in Edinburg · Resource Index
- 51
- Resource Index · Higher
- 19.1:1
- large classes for Texas
- 29.9%
- free-lunch eligible
South Texas Isd Preparatory Academy has class sizes larger than 90% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, South Texas Isd Preparatory Academy ranks #1 of 7 middle schools in Edinburg, TX.
School address
District: South Texas Isd · Texas
NCES ID 483715012250 Verify on NCES CCD record →
Teachers (FTE)
42.0
Federal CCD staff survey
Students per teacher
19.1:1
vs 14.7:1 Texas avg
+30% vs state
Free-lunch eligible
29.9%
vs 61.9% Texas avg
-52% vs state
Student-teacher ratio in context
How South Texas Isd Preparatory Academy compares with Texas and U.S. medians
What stands out at South Texas Isd Preparatory Academy
South Texas Isd Preparatory Academy is a mid-sized middle school in Edinburg, Texas, enrolling 802 students.
Class loads run heavy: 19.1:1 is larger than about 90% of Texas schools and 30% above the 14.7:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 29.9% free-meal eligibility runs 52% below the Texas average.
Enrollment of 802 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index lands in the upper third of 8,960 scored Texas schools.
Against 933 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #127.
Its student body is predominantly Hispanic or Latino (80% of enrollment) (diversity index 34/100).
Counselor coverage runs a bit thin, about 300 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
11.7% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding South Texas Isd spends $16,503 per pupil, 21% above the Texas average, a better-resourced district than most.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
South Texas Isd also operates South Texas Isd Science Academy (840 students) and South Texas Isd Medical Professions (820 students) alongside South Texas Isd Preparatory Academy.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How South Texas Isd Preparatory Academy compares
South Texas Isd Preparatory Academy on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.1:1 | ▲ 30% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 29.9% | ▼ 52% | 61.9% | 51.7% |
| Enrollment | 802 | top 19% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.1:1
Leaner classes than 19% of US schools, heavier class loads than most.
802
Bigger than 86% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
29.9%
free-lunch eligible
- 52% below the Texas average of 61.9%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
19.1:1
students per teacher
- 30% above state mean
Top 90% in Texas - lower ratio than 10% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
11.7%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$16,503
per pupil, district-wide
- above Texas avg of $13,644
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors2.7 FTE
Per 300 students, the combined health-and-guidance staffing load for this school.
Discipline context
10
in-school suspensions + 2 out-of-school
Suspension rate: 1.2 per 100 students. Combined in-school and out-of-school rate: 1.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 80.2%
Asian 10.1%
White 5.5%
Two or More 2.2%
African American 2.0%
Largest group: Hispanic or Latino at 80.2% of enrollment.
Student-body diversity index 34.3/100
Simpson diversity index - at 34.3, South Texas Isd Preparatory Academy is less mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for South Texas Isd, which includes South Texas Isd Preparatory Academy.
$16,503
Per student
+21%
vs Texas
Avg $13,644
-1%
vs U.S.
Avg $16,593
Revenue mix
Local 38.1%
State 49.4%
Federal 12.5%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How South Texas Isd Preparatory Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| South Texas Isd Science Academy | Similar size | Similar economic need | Lower S:T ratio |
| South Texas Isd Medical Professions | Similar size | Higher economic need | Lower S:T ratio |
| South Texas Isd Health Professions | Similar size | Higher economic need | Lower S:T ratio |
| South Texas Isd Rising Scholars Academy | Similar size | Higher economic need | Similar S:T ratio |
| South Texas Isd World Scholars | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to South Texas Isd Preparatory Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 840
- Students per teacher
- 14.2:1
- Resource Index
- 55/100
- Enrollment
- 820
- Students per teacher
- 14.1:1
- Resource Index
- 43/100
- Enrollment
- 781
- Students per teacher
- 14.5:1
- Resource Index
- 45/100
- Enrollment
- 781
- Students per teacher
- 19.5:1
- Resource Index
- 47/100
- Enrollment
- 403
- Students per teacher
- 10.1:1
- Resource Index
- 52/100
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of Texas, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~802 students)
Similar student-teacher ratio (~19.1:1)
Next steps
Verify locally before acting on South Texas Isd Preparatory Academy's federal record.
- Compare South Texas Isd Preparatory Academy against another school. Compare schools
- South Texas Isd's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about South Texas Isd Preparatory Academy
How many students attend South Texas Isd Preparatory Academy?
South Texas Isd Preparatory Academy has 802 students enrolled. It is a middle school in Edinburg, TX.
What is the student-teacher ratio at South Texas Isd Preparatory Academy?
The student-teacher ratio at South Texas Isd Preparatory Academy is 19.1:1, which is 30% higher than the Texas average of 14.7:1 and 22% higher than the national average of 15.7:1.
What percentage of students receive free lunch at South Texas Isd Preparatory Academy?
29.9% of students at South Texas Isd Preparatory Academy are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of South Texas Isd Preparatory Academy?
The largest demographic group at South Texas Isd Preparatory Academy is Hispanic or Latino at 80.2% of enrollment, in Edinburg, TX.
What is the Resource Investment Index for South Texas Isd Preparatory Academy?
South Texas Isd Preparatory Academy has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does South Texas Isd Preparatory Academy rank among middle schools in Edinburg?
By Resource Investment Index, South Texas Isd Preparatory Academy ranks #1 of 7 middle schools in Edinburg, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Edinburg on the city page.
Is South Texas Isd Preparatory Academy a good school?
South Texas Isd Preparatory Academy earns 51/100 on the Resource Investment Index, with class sizes larger than 90% of Texas schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in South Texas Isd?
Besides South Texas Isd Preparatory Academy, South Texas Isd also operates South Texas Isd Science Academy (840 students), South Texas Isd Medical Professions (820 students), and South Texas Isd Health Professions (781 students). See the South Texas Isd district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.