Enrollment
431
Texas · 2024-25 NCES data
Other / mixed grade configuration · Dallas, TX
Federal NCES profile for Armstrong El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
The verdict
Armstrong El earns 52/100 on the Resource Investment Index, with class sizes near the Texas median.
Armstrong El has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Armstrong El ranks #37 of 232 schools in Dallas, TX.
NCES ID 482325002355 Verify on NCES CCD record →
Enrollment
431
Texas · 2024-25 NCES data
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
13.5:1
vs 14.7:1 Texas avg
-8% vs state
How Armstrong El compares with Texas and U.S. medians
At or below state median
13.5:1 - 1.2 below the Texas state median of 14.7:1, indicating smaller average class loads than typical schools in the state.
Armstrong El is a mid-sized combined-grade school in Dallas, Texas, enrolling 431 students.
Class sizes run a bit leaner than typical: 13.5:1 puts it in the smaller third of Texas schools by student-teacher ratio.
With 431 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index lands in the upper third of 8,960 scored Texas schools.
Its student body is predominantly White (80% of enrollment) (diversity index 34/100).
Counselor access is stretched at roughly 431 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 9.5% of students were chronically absent, below the typical post-pandemic national figure.
Highland Park Isd also operates Highland Park H S (2,119 students) and Highland Park Middle (939 students) alongside Armstrong 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
Armstrong 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 | 13.5:1 | ▼ 8% | 14.7:1 | 15.7:1 |
| Enrollment | 431 | top 60% | - | - |
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: White at 80.3% of enrollment.
Simpson diversity index - at 34.3, Armstrong El is less mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for Highland Park Isd, which includes Armstrong 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 |
|---|---|---|---|
| Highland Park H S | Larger | No free-lunch data | Similar S:T ratio |
| Highland Park Middle | Larger | No free-lunch data | Similar S:T ratio |
| Mcculloch Intermediate School | Larger | No free-lunch data | Similar S:T ratio |
| Bradfield El | Larger | No free-lunch data | Higher S:T ratio |
| Hyer El | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Armstrong 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 Armstrong 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.
Armstrong El has 431 students enrolled. It is a public school in Dallas, TX.
The student-teacher ratio at Armstrong El is 13.5:1, which is 8% lower than the Texas average of 14.7:1 and 14% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Armstrong El is White at 80.3% of enrollment, in Dallas, TX.
Armstrong El has a Resource Investment Index of 52/100 (higher 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, Armstrong El ranks #37 of 232 schools in Dallas, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Dallas on the city page.
Armstrong El earns 52/100 on the Resource Investment Index, with class sizes near the Texas median. 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 Armstrong El, Highland Park Isd also operates Highland Park H S (2,119 students), Highland Park Middle (939 students), and Mcculloch Intermediate School (871 students). See the Highland Park 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, “Armstrong El, Dallas 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/armstrong-el-tx-2
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