Enrollment
420
Texas · 2024-25 NCES data
Other / mixed grade configuration · San Antonio, TX
Federal NCES profile for Margil El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
The verdict
Margil El earns 30/100 on the Resource Investment Index, with class sizes larger than 73% of Texas schools. It is also less racially and ethnically mixed than most Texas schools.
Margil El has class sizes larger than 73% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Margil El ranks #258 of 327 schools in San Antonio, TX.
NCES ID 483873004375 Verify on NCES CCD record →
Enrollment
420
Texas · 2024-25 NCES data
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
16.2:1
vs 14.7:1 Texas avg
+10% vs state
Free-lunch eligible
95.2%
vs 61.9% Texas avg
+54% vs state
How Margil El compares with Texas and U.S. medians
Slightly above state median
16.2:1 - 1.5 above the Texas state median of 14.7:1, indicating larger average class loads than typical schools in the state.
Margil El is a high-poverty, mid-sized combined-grade school in San Antonio, Texas, enrolling 420 students.
Class loads run somewhat heavier than typical: 16.2:1 puts it in the larger third of Texas schools by student-teacher ratio.
Economic need is high: 95.2% of students qualify for free meals, 54% above the Texas average, a Title I-weighted population that federal funding formulas prioritise.
With 420 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index trails 91% of the 8,960 Texas schools with a score on record, one of the lower results on this measure.
Among 1,401 similarly sized, similarly resourced-need Texas schools statewide, it ranks #1,172, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (89% of enrollment), among the less diverse in the state (diversity index 20/100).
Counselor access is stretched at roughly 420 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 64.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 27.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
San Antonio Isd also operates Jefferson H S (1,706 students) and Lanier H S (1,620 students) alongside Margil El.
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
Margil El on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.2:1 | ▲ 10% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 95.2% | ▲ 54% | 61.9% | 51.7% |
| Enrollment | 420 | top 61% | - | - |
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 89.3% of enrollment.
Simpson diversity index - at 19.7, Margil El is less mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for San Antonio Isd, which includes Margil El.
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 |
|---|---|---|---|
| Jefferson H S | Larger | Lower economic need | Lower S:T ratio |
| Lanier H S | Larger | Similar economic need | Similar S:T ratio |
| Brackenridge H S | Larger | Similar economic need | Similar S:T ratio |
| Highlands H S | Larger | Similar economic need | Lower S:T ratio |
| Burbank H S | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Margil El'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 Margil El'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.
Margil El has 420 students enrolled. It is a public school in San Antonio, TX.
The student-teacher ratio at Margil El is 16.2:1, which is 10% higher than the Texas average of 14.7:1 and 3% higher than the national average of 15.7:1.
95.2% of students at Margil El are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Margil El is Hispanic or Latino at 89.3% of enrollment, in San Antonio, TX.
Margil El has a Resource Investment Index of 30/100 (lower 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).
By Resource Investment Index, Margil El ranks #258 of 327 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 schools in San Antonio on the city page.
Margil El earns 30/100 on the Resource Investment Index, with class sizes larger than 73% of Texas schools. It is also less racially and ethnically mixed than most 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.
Besides Margil El, San Antonio Isd also operates Jefferson H S (1,706 students), Lanier H S (1,620 students), and Brackenridge H S (1,593 students). See the San Antonio 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.
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PlainSchools, “Margil El, 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/margil-el-tx
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