Enrollment
507
Texas · 2024-25 NCES data
Other / mixed grade configuration · Arlington, TX
Federal NCES profile for Dunn El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
The verdict
Dunn El earns 35/100 on the Resource Investment Index, with class sizes near the Texas median. It is also more racially and ethnically mixed than most Texas schools.
Dunn El has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Dunn El ranks #43 of 63 schools in Arlington, TX.
NCES ID 480870000243 Verify on NCES CCD record →
Enrollment
507
Texas · 2024-25 NCES data
Teachers (FTE)
40.0
Federal CCD staff survey
Students per teacher
12.7:1
vs 14.7:1 Texas avg
-14% vs state
Free-lunch eligible
65.6%
vs 61.9% Texas avg
+6% vs state
How Dunn El compares with Texas and U.S. medians
Smaller classes than state median
12.7:1 - 2.0 below the Texas state median of 14.7:1, indicating smaller average class loads than typical schools in the state.
Dunn El is a higher-need, mid-sized combined-grade school in Arlington, Texas, enrolling 507 students.
Class sizes run a bit leaner than typical: 12.7:1 puts it in the smaller third of Texas schools by student-teacher ratio.
Its free-meal eligibility rate of 65.6% lands close to the Texas typical range, neither a high- nor low-need campus by this measure.
With 507 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.
Among 1,651 similarly sized, similarly resourced-need Texas schools statewide, it ranks #1,334, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (32%) and Hispanic or Latino (30%), more mixed than most schools in the state (diversity index 73/100).
Counselor access is stretched at roughly 570 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 31.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 19.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Arlington Isd also operates Martin H S (3,535 students) and Sam Houston H S (3,208 students) alongside Dunn 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
Dunn 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 | 12.7:1 | ▼ 14% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 65.6% | ▲ 6% | 61.9% | 51.7% |
| Enrollment | 507 | top 49% | - | - |
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: African American at 31.8% of enrollment.
Simpson diversity index - at 72.7, Dunn El is more mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for Arlington Isd, which includes Dunn 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 |
|---|---|---|---|
| Martin H S | Larger | Lower economic need | Higher S:T ratio |
| Sam Houston H S | Larger | Higher economic need | Higher S:T ratio |
| Arlington H S | Larger | Similar economic need | Higher S:T ratio |
| Lamar H S | Larger | Similar economic need | Higher S:T ratio |
| Bowie H S | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Dunn 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 Dunn 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.
Dunn El has 507 students enrolled. It is a public school in Arlington, TX.
The student-teacher ratio at Dunn El is 12.7:1, which is 14% lower than the Texas average of 14.7:1 and 19% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
65.6% of students at Dunn El are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Dunn El is African American at 31.8% of enrollment, in Arlington, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.7/100.
Dunn 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).
By Resource Investment Index, Dunn El ranks #43 of 63 schools in Arlington, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Arlington on the city page.
Dunn El earns 35/100 on the Resource Investment Index, with class sizes near the Texas median. It is also more 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 Dunn El, Arlington Isd also operates Martin H S (3,535 students), Sam Houston H S (3,208 students), and Arlington H S (2,580 students). See the Arlington 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, “Dunn El, Arlington 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/dunn-el-tx-2
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