Enrollment
547
Texas · 2024-25 NCES data
Elementary school (grades K-5) · Del Rio, TX
Lamar El
Federal NCES profile for Lamar El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataElementary school (grades K-5)NCES 483890004439
👥 S:T ratio 9
🌟 Gifted program 70
🎓 Counselors 45
📋 Attendance 14
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lamar El earns 35/100 on the Resource Investment Index, with class sizes larger than 96% of Texas schools. It is also less racially and ethnically mixed than most Texas schools.
- #3 of 6
- elementary schools in Del Rio · Resource Index
- 35
- Resource Index · Typical
- 22.8:1
- large classes for Texas
- 88.1%
- free-lunch eligible
Lamar El has class sizes larger than 96% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Lamar El ranks #3 of 6 elementary schools in Del Rio, TX.
School address
District: San Felipe-Del Rio Cisd · Texas
NCES ID 483890004439 Verify on NCES CCD record →
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
22.8:1
vs 14.7:1 Texas avg
+55% vs state
Free-lunch eligible
88.1%
vs 61.9% Texas avg
+42% vs state
Student-teacher ratio in context
How Lamar El compares with Texas and U.S. medians
What stands out at Lamar El
Lamar El is a high-poverty, mid-sized elementary school in Del Rio, Texas, enrolling 547 students.
Class loads run heavy: 22.8:1 is larger than about 96% of Texas schools and 55% above the 14.7:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 88.1% of students eligible for free meals.
With 547 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Against 2,046 statewide peers matched on enrollment and economic need, it ranks mid-pack at #1,290.
Its student body is predominantly Hispanic or Latino (97% of enrollment), among the less diverse in the state (diversity index 5/100).
Counselor coverage runs a bit thin, about 274 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 34.4% 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.
San Felipe-Del Rio Cisd also operates Del Rio H S (2,447 students) and Del Rio Middle (1,347 students) alongside Lamar 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
How Lamar El compares
Lamar 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 | 22.8:1 | ▲ 55% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 88.1% | ▲ 42% | 61.9% | 51.7% |
| Enrollment | 547 | top 44% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.8:1
Leaner classes than 9% of US schools, heavier class loads than most.
547
Bigger than 67% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
88.1%
free-lunch eligible
- 42% above the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
22.8:1
students per teacher
- 55% above state mean
Top 96% in Texas - lower ratio than 4% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
34.4%
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
Counselors2.0 FTE
Per 274 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 3 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 0.9 per 100 students. Reported via the Civil Rights Data Collection.
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 97.4%
White 2.2%
American Indian / Alaska Native 0.2%
Two or More 0.2%
Largest group: Hispanic or Latino at 97.4% of enrollment.
Student-body diversity index 5.1/100
Simpson diversity index - at 5.1, Lamar El is less mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for San Felipe-Del Rio Cisd, which includes Lamar El.
$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 Lamar El Compares to District-Mates
| 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 | Similar size | Lower economic need | Lower S:T ratio |
| Garfield El | Similar size | Similar economic need | Lower S:T ratio |
| Dr Fermin Calderon El | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Lamar El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,447
- Students per teacher
- 15.5:1
- Resource Index
- 39/100
- 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
Similar elementary 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 (~547 students)
Similar student-teacher ratio (~22.8:1)
Next steps
Verify locally before acting on Lamar El's federal record.
- Compare Lamar El 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 Lamar El
How many students attend Lamar El?
Lamar El has 547 students enrolled. It is an elementary school in Del Rio, TX.
What is the student-teacher ratio at Lamar El?
The student-teacher ratio at Lamar El is 22.8:1, which is 55% higher than the Texas average of 14.7:1 and 45% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Lamar El?
88.1% of students at Lamar El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Lamar El?
The largest demographic group at Lamar El is Hispanic or Latino at 97.4% of enrollment, in Del Rio, TX.
What is the Resource Investment Index for Lamar El?
Lamar El has a Resource Investment Index of 35/100 (typical 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 Lamar El rank among elementary schools in Del Rio?
By Resource Investment Index, Lamar El ranks #3 of 6 elementary 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 elementary schools in Del Rio on the city page.
Is Lamar El a good school?
Lamar El earns 35/100 on the Resource Investment Index, with class sizes larger than 96% 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.
What other schools are in San Felipe-Del Rio Cisd?
Besides Lamar 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.
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.