Enrollment
361
Missouri · 2024-25 NCES data
Other / mixed grade configuration · Hazelwood, MO
Armstrong Elem.
Federal NCES profile for Armstrong Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataOther / mixed grade configurationNCES 291383000613
👥 S:T ratio 42
🌟 Gifted program 70
🎓 Counselors 28
📋 Attendance 16
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Armstrong Elem. earns 39/100 on the Resource Investment Index, with class sizes larger than 74% of Missouri schools.
- #5 of 6
- schools in Hazelwood · Resource Index
- 39
- Resource Index · Typical
- 14.4:1
- large classes for Missouri
- 74.7%
- free-lunch eligible
Armstrong Elem. has class sizes larger than 74% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Armstrong Elem. ranks #5 of 6 schools in Hazelwood, MO.
School address
Teachers (FTE)
25.0
Federal CCD staff survey
Students per teacher
14.4:1
vs 12.8:1 Missouri avg
+12% vs state
Free-lunch eligible
74.7%
vs 46.1% Missouri avg
+62% vs state
Student-teacher ratio in context
How Armstrong Elem. compares with Missouri and U.S. medians
What stands out at Armstrong Elem.
Armstrong Elem. is a higher-need, mid-sized combined-grade school in Hazelwood, Missouri, enrolling 361 students.
Class loads run somewhat heavier than typical: 14.4:1 puts it in the larger third of Missouri schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 74.7% of students eligible for free meals.
With 361 students, its enrollment sits close to the Missouri median campus size.
Its Resource Investment Index lands in the lower third of 2,313 scored Missouri schools.
Among 60 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #47, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (77%) and Two or More (10%) (diversity index 40/100).
Counselor availability sits well past the ASCA benchmark, roughly 361 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 33.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 26.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Hazelwood also operates Hazelwood West High (1,994 students) and Hazelwood Central High (1,718 students) alongside Armstrong Elem..
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 Armstrong Elem. compares
Armstrong Elem. on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.4:1 | ▲ 12% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 74.7% | ▲ 62% | 46.1% | 51.7% |
| Enrollment | 361 | top 42% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.4:1
Leaner classes than 53% of US schools, a middle-of-the-pack class size.
361
Bigger than 41% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
74.7%
free-lunch eligible
- 62% above the Missouri average of 46.1%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.4:1
students per teacher
- 12% above state mean
Top 74% in Missouri - lower ratio than 26% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
33.8%
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
$12,946
per pupil, district-wide
- above Missouri avg of $12,931
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 361 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 15 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 4.2 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
African American 76.5%
Two or More 9.7%
Hispanic or Latino 6.9%
White 5.5%
Asian 1.4%
Largest group: African American at 76.5% of enrollment.
Student-body diversity index 39.7/100
Simpson diversity index - at 39.7, Armstrong Elem. is more mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Hazelwood, which includes Armstrong Elem..
$12,946
Per student
+0%
vs Missouri
Avg $12,931
-22%
vs U.S.
Avg $16,593
Revenue mix
Local 52.7%
State 20.8%
Federal 26.5%
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 Armstrong Elem. Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hazelwood West High | Larger | Lower economic need | Higher S:T ratio |
| Hazelwood Central High | Larger | Lower economic need | Higher S:T ratio |
| Hazelwood East High | Larger | Lower economic need | Higher S:T ratio |
| Northwest Middle | Larger | Lower economic need | Higher S:T ratio |
| West Middle | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Armstrong Elem.'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,994
- Students per teacher
- 18.5:1
- Resource Index
- 32/100
- Enrollment
- 1,718
- Students per teacher
- 20.2:1
- Resource Index
- 33/100
- Enrollment
- 1,310
- Students per teacher
- 21.8:1
- Resource Index
- 35/100
- Enrollment
- 770
- Students per teacher
- 16:1
- Resource Index
- 39/100
- Enrollment
- 724
- Students per teacher
- 15.7:1
- Resource Index
- 41/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Missouri, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~361 students)
Similar student-teacher ratio (~14.4:1)
Next steps
Verify locally before acting on Armstrong Elem.'s federal record.
- Compare Armstrong Elem. against another school. Compare schools
- Hazelwood'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 Armstrong Elem.
How many students attend Armstrong Elem.?
Armstrong Elem. has 361 students enrolled. It is a public school in Hazelwood, MO.
What is the student-teacher ratio at Armstrong Elem.?
The student-teacher ratio at Armstrong Elem. is 14.4:1, which is 12% higher than the Missouri average of 12.8:1 and 8% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Armstrong Elem.?
74.7% of students at Armstrong Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Armstrong Elem.?
The largest demographic group at Armstrong Elem. is African American at 76.5% of enrollment, in Hazelwood, MO.
What is the Resource Investment Index for Armstrong Elem.?
Armstrong Elem. has a Resource Investment Index of 39/100 (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 Armstrong Elem. rank among schools in Hazelwood?
By Resource Investment Index, Armstrong Elem. ranks #5 of 6 schools in Hazelwood, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Hazelwood on the city page.
Is Armstrong Elem. a good school?
Armstrong Elem. earns 39/100 on the Resource Investment Index, with class sizes larger than 74% of Missouri 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 Hazelwood?
Besides Armstrong Elem., Hazelwood also operates Hazelwood West High (1,994 students), Hazelwood Central High (1,718 students), and Hazelwood East High (1,310 students). See the Hazelwood 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.