Enrollment
2,447
Texas · 2024-25 NCES data
High school (grades 9-12) · Del Rio, TX
Del Rio H S
Federal NCES profile for Del Rio H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 483890004435
👥 S:T ratio 38
📚 AP courses 80
🌟 Gifted program 70
🎓 Counselors 49
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Del Rio H S earns 47/100 on the Resource Investment Index, with class sizes near the Texas median. It is also one of the largest schools in Texas.
- #2 of 4
- high schools in Del Rio · Resource Index
- 47
- Resource Index · Typical
- 15.5:1
- students per teacher
- 58.7%
- free-lunch eligible
Del Rio H S has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Del Rio H S ranks #2 of 4 high schools in Del Rio, TX.
School address
District: San Felipe-Del Rio Cisd · Texas
NCES ID 483890004435 Verify on NCES CCD record →
Teachers (FTE)
158.0
Federal CCD staff survey
Students per teacher
15.5:1
vs 14.7:1 Texas avg
+5% vs state
Free-lunch eligible
58.7%
vs 61.9% Texas avg
-5% vs state
Student-teacher ratio in context
How Del Rio H S compares with Texas and U.S. medians
What stands out at Del Rio H S
Del Rio H S is a higher-need, large high school in Del Rio, Texas, enrolling 2,447 students.
Class loads run somewhat heavier than typical: 15.5:1 puts it in the larger third of Texas schools by student-teacher ratio.
Its free-meal eligibility rate of 58.7% lands close to the Texas typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Texas, bigger than 98% of state schools at 2,447 students.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Against 180 statewide peers matched on enrollment and economic need, it ranks mid-pack at #97.
Its student body is predominantly Hispanic or Latino (94% of enrollment), among the less diverse in the state (diversity index 12/100).
On the academic-pipeline side it reports 16 Advanced Placement courses.
Counselor coverage runs a bit thin, about 254 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 40.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 28.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 24 expulsions at this campus for 2021-22.
San Felipe-Del Rio Cisd also operates Del Rio Middle (1,347 students) and San Felipe Memorial Middle (671 students) alongside Del Rio 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
How Del Rio H S compares
Del Rio 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 | 15.5:1 | ▲ 5% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 58.7% | ▼ 5% | 61.9% | 51.7% |
| Enrollment | 2,447 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.5:1
Leaner classes than 42% of US schools, a middle-of-the-pack class size.
2,447
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
58.7%
free-lunch eligible
- 5% below the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
15.5:1
students per teacher
- 5% above state mean
Top 65% in Texas - lower ratio than 35% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
40.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$11,678
per pupil, district-wide
- below Texas avg of $13,644
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors9.6 FTE
Per 254 students, the combined health-and-guidance staffing load for this school.
Discipline context
223
in-school suspensions + 113 out-of-school
Suspension rate: 9.1 per 100 students. Combined in-school and out-of-school rate: 13.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 24 expulsions.
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 93.6%
White 5.3%
African American 0.3%
Asian 0.3%
American Indian / Alaska Native 0.2%
Two or More 0.2%
Largest group: Hispanic or Latino at 93.6% of enrollment.
Student-body diversity index 12.1/100
Simpson diversity index - at 12.1, Del Rio H S is less mixed than the Texas school average of 44.7.
Programs
AP courses offered 16
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for San Felipe-Del Rio Cisd, which includes Del Rio H S.
$11,678
Per student
-14%
vs Texas
Avg $13,644
-30%
vs U.S.
Avg $16,593
Revenue mix
Local 18.8%
State 53.1%
Federal 28.1%
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 Del Rio H S Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Del Rio Middle | Smaller | Higher economic need | Similar S:T ratio |
| San Felipe Memorial Middle | Smaller | Higher economic need | Higher S:T ratio |
| Garfield El | Smaller | Higher economic need | Higher S:T ratio |
| Dr Fermin Calderon El | Smaller | Higher economic need | Higher S:T ratio |
| Dr Lonnie Green Jr El | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Del Rio H S's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,347
- Students per teacher
- 16.2:1
- Resource Index
- 39/100
- Enrollment
- 671
- Students per teacher
- 19.2:1
- Resource Index
- 30/100
- Enrollment
- 635
- Students per teacher
- 18.7:1
- Resource Index
- 34/100
- Enrollment
- 623
- Students per teacher
- 19.5:1
- Resource Index
- 32/100
- Enrollment
- 591
- Students per teacher
- 13.7:1
- Resource Index
- 39/100
Similar high 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 (~2,447 students)
Similar student-teacher ratio (~15.5:1)
Next steps
Verify locally before acting on Del Rio H S's federal record.
- Compare Del Rio H S against another school. Compare schools
- San Felipe-Del Rio Cisd'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 Del Rio H S
How many students attend Del Rio H S?
Del Rio H S has 2,447 students enrolled. It is a high school in Del Rio, TX.
What is the student-teacher ratio at Del Rio H S?
The student-teacher ratio at Del Rio H S is 15.5:1, which is 5% higher than the Texas average of 14.7:1 and 1% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Del Rio H S?
58.7% of students at Del Rio H S are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Del Rio H S?
The largest demographic group at Del Rio H S is Hispanic or Latino at 93.6% of enrollment, in Del Rio, TX.
What is the Resource Investment Index for Del Rio H S?
Del Rio H S has a Resource Investment Index of 47/100 (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).
How does Del Rio H S rank among high schools in Del Rio?
By Resource Investment Index, Del Rio H S ranks #2 of 4 high 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 high schools in Del Rio on the city page.
Is Del Rio H S a good school?
Del Rio H S earns 47/100 on the Resource Investment Index, with class sizes near the Texas median. 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.
What other schools are in San Felipe-Del Rio Cisd?
Besides Del Rio H S, San Felipe-Del Rio Cisd also operates Del Rio Middle (1,347 students), San Felipe Memorial Middle (671 students), and Garfield El (635 students). See the San Felipe-Del Rio Cisd 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.