Enrollment
1,772
Texas · 2024-25 NCES data
High school (grades 9-12) · San Antonio, TX
Federal NCES profile for Southside H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
The verdict
Southside H S earns 33/100 on the Resource Investment Index, with class sizes larger than 84% of Texas schools. It is also one of the largest schools in Texas.
Southside H S has class sizes larger than 84% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Southside H S ranks #75 of 79 high schools in San Antonio, TX.
NCES ID 484092004652 Verify on NCES CCD record →
Enrollment
1,772
Texas · 2024-25 NCES data
Teachers (FTE)
100.0
Federal CCD staff survey
Students per teacher
17.7:1
vs 14.7:1 Texas avg
+20% vs state
Free-lunch eligible
81.5%
vs 61.9% Texas avg
+32% vs state
How Southside H S compares with Texas and U.S. medians
Slightly above state median
17.7:1 - 3.0 above the Texas state median of 14.7:1, indicating larger average class loads than typical schools in the state.
Southside H S is a high-poverty, large high school in San Antonio, Texas, enrolling 1,772 students.
Class loads run somewhat heavier than typical: 17.7:1 puts it in the larger third of Texas schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 81.5% of students eligible for free meals.
By headcount it is one of the larger campuses in Texas, bigger than 96% of state schools at 1,772 students.
Its Resource Investment Index trails 96% of the 8,960 Texas schools with a score on record, one of the lower results on this measure.
Among 214 similarly sized, similarly resourced-need Texas schools statewide, it ranks #208, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (92% of enrollment), among the less diverse in the state (diversity index 15/100).
On the academic-pipeline side it reports 13 Advanced Placement courses.
Counselor access is stretched at roughly 611 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 50.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 29.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 513 in- and out-of-school suspensions were reported for 1,772 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 3 expulsions at this campus for 2021-22.
Southside Isd also operates Colonel Miguel Menchaca Early Childhood Center (809 students) and Julius L Matthey Middle (656 students) alongside Southside H S.
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
Southside H S on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.7:1 | ▲ 20% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 81.5% | ▲ 32% | 61.9% | 51.7% |
| Enrollment | 1,772 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Hispanic or Latino at 91.9% of enrollment.
Simpson diversity index - at 15.2, Southside H S is less mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for Southside Isd, which includes Southside H S.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Colonel Miguel Menchaca Early Childhood Center | Smaller | Similar economic need | Higher S:T ratio |
| Julius L Matthey Middle | Smaller | Similar economic need | Lower S:T ratio |
| Losoya Middle | Smaller | Similar economic need | Lower S:T ratio |
| Julian C Gallardo El | Smaller | Similar economic need | Lower S:T ratio |
| Heritage El | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Southside H S's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Southside H S's federal record.
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.
Southside H S has 1,772 students enrolled. It is a high school in San Antonio, TX.
The student-teacher ratio at Southside H S is 17.7:1, which is 20% higher than the Texas average of 14.7:1 and 13% higher than the national average of 15.7:1.
81.5% of students at Southside H S are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Southside H S is Hispanic or Latino at 91.9% of enrollment, in San Antonio, TX.
Southside H S has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Southside H S ranks #75 of 79 high schools in San Antonio, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in San Antonio on the city page.
Southside H S earns 33/100 on the Resource Investment Index, with class sizes larger than 84% of Texas schools. It is also one of the largest schools in Texas. 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.
Besides Southside H S, Southside Isd also operates Colonel Miguel Menchaca Early Childhood Center (809 students), Julius L Matthey Middle (656 students), and Losoya Middle (607 students). See the Southside Isd district page for the complete list.
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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Southside H S, San Antonio TX.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/southside-h-s-tx
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.