Enrollment
452
Texas · 2024-25 NCES data
Other / mixed grade configuration · Del Rio, TX
Federal NCES profile for Irene C Cardwell El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
The verdict
Irene C Cardwell El earns 22/100 on the Resource Investment Index, with class sizes larger than 95% of Texas schools. It is also less racially and ethnically mixed than most Texas schools.
Irene C Cardwell El has class sizes larger than 95% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Irene C Cardwell El ranks #4 of 4 schools in Del Rio, TX.
NCES ID 483890004445 Verify on NCES CCD record →
Enrollment
452
Texas · 2024-25 NCES data
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
21.5:1
vs 14.7:1 Texas avg
+46% vs state
Free-lunch eligible
92.5%
vs 61.9% Texas avg
+49% vs state
How Irene C Cardwell El compares with Texas and U.S. medians
Larger classes than state median
21.5:1 - 6.8 above the Texas state median of 14.7:1, indicating larger average class loads than typical schools in the state.
Irene C Cardwell El is a high-poverty, mid-sized combined-grade school in Del Rio, Texas, enrolling 452 students.
Class loads run heavy: 21.5:1 is larger than about 95% of Texas schools and 46% above the 14.7:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 92.5% of students qualify for free meals, 49% above the Texas average, a Title I-weighted population that federal funding formulas prioritise.
With 452 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index trails 97% of the 8,960 Texas schools with a score on record, one of the lower results on this measure.
Among 1,626 similarly sized, similarly resourced-need Texas schools statewide, it ranks #1,556, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (95% of enrollment), among the less diverse in the state (diversity index 10/100).
Its district draws 28.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
San Felipe-Del Rio Cisd also operates Del Rio H S (2,447 students) and Del Rio Middle (1,347 students) alongside Irene C Cardwell 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
Irene C Cardwell 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 | 21.5:1 | ▲ 46% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 92.5% | ▲ 49% | 61.9% | 51.7% |
| Enrollment | 452 | top 57% | - | - |
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 94.9% of enrollment.
Simpson diversity index - at 9.8, Irene C Cardwell El is less mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for San Felipe-Del Rio Cisd, which includes Irene C Cardwell 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 |
|---|---|---|---|
| Del Rio H S | Larger | Lower economic need | Lower S:T ratio |
| Del Rio Middle | Larger | Lower economic need | Lower S:T ratio |
| San Felipe Memorial Middle | Larger | Lower economic need | Lower S:T ratio |
| Garfield El | Larger | Similar economic need | Lower S:T ratio |
| Dr Fermin Calderon El | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Irene C Cardwell 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 Irene C Cardwell 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.
Irene C Cardwell El has 452 students enrolled. It is a public school in Del Rio, TX.
The student-teacher ratio at Irene C Cardwell El is 21.5:1, which is 46% higher than the Texas average of 14.7:1 and 37% higher than the national average of 15.7:1.
92.5% of students at Irene C Cardwell El are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Irene C Cardwell El is Hispanic or Latino at 94.9% of enrollment, in Del Rio, TX.
Irene C Cardwell El has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 2 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
By Resource Investment Index, Irene C Cardwell El ranks #4 of 4 schools in Del Rio, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Del Rio on the city page.
Irene C Cardwell El earns 22/100 on the Resource Investment Index, with class sizes larger than 95% 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 Irene C Cardwell El, San Felipe-Del Rio Cisd also operates Del Rio H S (2,447 students), Del Rio Middle (1,347 students), and San Felipe Memorial Middle (671 students). See the San Felipe-Del Rio Cisd 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, “Irene C Cardwell El, Del Rio 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/irene-c-cardwell-el-tx
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