Enrollment
616
Texas · 2024-25 NCES data
Other / mixed grade configuration · Conroe, 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 #3 of 20 schools in Conroe, TX.
Enrollment
616
Texas · 2024-25 NCES data
Teachers (FTE)
40.0
Federal CCD staff survey
Students per teacher
15.4:1
vs 14.7:1 Texas avg
+5% vs state
Free-lunch eligible
90.6%
vs 61.9% Texas avg
+46% vs state
How Armstrong El compares with Texas and U.S. medians
Slightly above state median
15.4:1 - 0.7 above the Texas state median of 14.7:1, indicating larger average class loads than typical schools in the state.
Armstrong El is a high-poverty, mid-sized combined-grade school in Conroe, Texas, enrolling 616 students.
Class loads run somewhat heavier than typical: 15.4:1 puts it in the larger third of Texas schools by student-teacher ratio.
Economic need is high: 90.6% of students qualify for free meals, 46% above the Texas average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 616 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index lands in the upper third of 8,960 scored Texas schools.
Among 1,851 similarly sized, similarly resourced-need Texas schools statewide, it ranks #55, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (77%) and African American (14%) (diversity index 39/100).
Counselor coverage runs a bit thin, about 308 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
15.4% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Conroe Isd spends $9,973 per pupil, 27% below the Texas average, a leaner-resourced district than most.
Conroe Isd also operates Conroe H S (5,252 students) and The Woodlands H S (4,444 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 | 15.4:1 | ▲ 5% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 90.6% | ▲ 46% | 61.9% | 51.7% |
| Enrollment | 616 | top 35% | - | - |
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 76.5% of enrollment.
Simpson diversity index - at 39.0, Armstrong El is less mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for Conroe 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 |
|---|---|---|---|
| Conroe H S | Larger | Lower economic need | Higher S:T ratio |
| The Woodlands H S | Larger | Lower economic need | Higher S:T ratio |
| Grand Oaks H S | Larger | Lower economic need | Higher S:T ratio |
| College Park H S | Larger | Lower economic need | Similar S:T ratio |
| Caney Creek H S | Larger | Lower economic need | Higher 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 616 students enrolled. It is a public school in Conroe, TX.
The student-teacher ratio at Armstrong El is 15.4:1, which is 5% higher than the Texas average of 14.7:1 and 2% lower than the national average of 15.7:1.
90.6% of students at Armstrong El are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Armstrong El is Hispanic or Latino at 76.5% of enrollment, in Conroe, 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 #3 of 20 schools in Conroe, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Conroe 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, Conroe Isd also operates Conroe H S (5,252 students), The Woodlands H S (4,444 students), and Grand Oaks H S (3,836 students). See the Conroe 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, Conroe 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
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