2024-25 NCES data Elementary school (grades K-5) NCES 170420000118
Armstrong-Ellis Elem School — Armstrong, IL
Federal NCES profile for Armstrong-Ellis Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 41/100.
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
The verdict
Armstrong-Ellis Elem School earns a D Resource Investment Index (41/100), even as it posts class sizes smaller than 97% of Illinois schools.
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the
NCES CCD record.
Enrollment
81
Illinois · 2024-25 NCES data
Teachers (FTE)
11.0
Federal CCD staff survey
Students per teacher
8.1:1
vs 14.6:1 Illinois avg
▲-45% vs state
Student-teacher ratio in context
How Armstrong-Ellis Elem School compares with Illinois and U.S. medians
Smaller classes than state median
14.6:1 Illinois median15.7:1 U.S. median
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Armstrong-Ellis Elem School reports 81 enrolled students to the National Center for Education Statistics (NCES) alongside 11.0 full-time-equivalent teachers, producing a 8.1:1 student-teacher ratio. That figure sits 45% below the Illinois state mean of 14.6:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.7:1, it is 48% lower, a useful calibration for families comparing districts across state lines.
Chronic absenteeism — missing 10% or more of school days — stands at 29.6% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Armstrong-Ellis Cons Sd 61 spends $19,500 per pupil district-wide, above the Illinois average of $17,042 and above the national average of $16,593. Revenue comes 65.7% from local sources (property taxes), 22.3% from the state, and 12.0% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 41/100 (D), calculated from 3 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Cross-validating school-level NCES values against Illinois state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
Metric
This school
vs Illinois
Illinois avg
U.S. avg
Students per teacher
8.1:1
▼ 45%
14.6:1
15.7:1
Enrollment
81
top 3%
—
—
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Class size vs. every US school
Students per teacher (lower means more individual attention)
8Among the smallest classessmaller classes than 95% of 92,598 US schools
Each bar is a band; taller bars hold more US schools. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Department of Education — NCES Common Core of Data · 2024-25
School size vs. every US school
Total enrollment — where this school sits by size (neither large nor small is 'better')
81larger than 8% of 95,891 US schools
Each bar is a band; taller bars hold more US schools. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Department of Education — NCES Common Core of Data · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Staffing depth
8.1:1
students per teacher
— 45% below state mean
Top 3% in Illinois — lower ratio than 97% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
29.6%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$19,500
per pupil, district-wide
— above Illinois avg of $17,042
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment81 Top 3% in Illinois — larger than 97% of 3,845 state schools
Teachers (FTE)11.0
Students per teacher 8.1:1 -45% vs state
Free-lunch eligible —
NCES ID170420000118
Student demographics
White
88.9% · ≈72 students
Two or More
6.2% · ≈5 students
African American
2.5% · ≈2 students
Hispanic or Latino
1.2% · ≈1 students
Asian
1.2% · ≈1 students
White88.9%
Two or More6.2%
African American2.5%
Hispanic or Latino1.2%
Asian1.2%
Largest group: White at 88.9% of enrollment.
Programs & staff
Counselors (FTE)0.0
Discipline & special education
Chronically absent29.6%
In-school suspensions0
Out-of-school suspensions0
Funding & spending
District-wide per-pupil expenditure for Armstrong-Ellis Cons Sd 61, which includes Armstrong-Ellis Elem School.
$19,500
Per student
+14%
vs Illinois
Avg $17,042
+18%
vs U.S.
Avg $16,593
Revenue mix
Local65.7%
State22.3%
Federal12.0%
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.
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Treat this page as the federal baseline — then verify locally.
Compare Armstrong-Ellis Elem School side-by-side with another school you're considering on the same NCES measures. Compare schools →
Read the district context — spending per pupil, staffing, and equity ranking are district-level decisions that shape this school. District profile →
Confirm current enrollment windows, programs, and boundaries with the school directly — federal data lags the current school year. Choosing guide →
Figures are the school's reported federal record (CCD 2024-25, CRDC 2021-22) — coverage varies by entity type, and PlainSchools does not rate or rank schools.
Frequently asked questions about Armstrong-Ellis Elem School
How many students attend Armstrong-Ellis Elem School?
Armstrong-Ellis Elem School has 81 students enrolled. It is a elementary school in Armstrong, IL.
What is the student-teacher ratio at Armstrong-Ellis Elem School?
The student-teacher ratio at Armstrong-Ellis Elem School is 8.1:1, which is 45% lower than the Illinois average of 14.6:1 and 48% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Armstrong-Ellis Elem School?
The largest demographic group at Armstrong-Ellis Elem School is White at 88.9%. The school serves a diverse student body in Armstrong, IL.
What is the Resource Investment Index for Armstrong-Ellis Elem School?
Armstrong-Ellis Elem School has a Resource Investment Index of 41/100 (D) based on 3 factors: student-teacher ratio, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.
Is Armstrong-Ellis Elem School a good school?
Armstrong-Ellis Elem School earns a D Resource Investment Index (41/100), even as it posts class sizes smaller than 97% of Illinois schools. The Resource Investment Index reflects staffing, counselor access, gifted programs, and attendance reported to NCES, not test scores or academic outcomes, so treat it as a resource snapshot rather than an overall rating.