Enrollment
269
Illinois · 2024-25 NCES data
2024-25 NCES data Elementary school (grades K-5) NCES 170468000145
C I Johnson Elem School — Aurora, IL
Federal NCES profile for C I Johnson Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 57/100.
👥 Class size 31
🌟 Gifted program 70
📋 Attendance 69
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
C I Johnson Elem School earns a C Resource Investment Index (57/100), with class sizes larger than 88% of Illinois schools.
- C
- Resource Index · 57/100
- 17.2:1
- large classes for Illinois
- 269
- students enrolled
School address
District: Aurora East Usd 131 · Illinois
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.
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
17.2:1
vs 14.6:1 Illinois avg
+18% vs state
Student-teacher ratio in context
How C I Johnson Elem School compares with Illinois and U.S. medians
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
C I Johnson Elem School reports 269 enrolled students to the National Center for Education Statistics (NCES) alongside 22.0 full-time-equivalent teachers, producing a 17.2:1 student-teacher ratio. That figure sits 18% above the Illinois state mean of 14.6:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.7:1, it is 10% higher, a useful calibration for families comparing districts across state lines.
Chronic absenteeism — missing 10% or more of school days — stands at 12.3% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Aurora East Usd 131 spends $15,003 per pupil district-wide, below the Illinois average of $17,042 and below the national average of $16,593. Revenue comes 20.0% from local sources (property taxes), 60.2% from the state, and 19.7% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 57/100 (C), calculated from 3 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How C I Johnson Elem School compares
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 | 17.2:1 | ▲ 18% | 14.6:1 | 15.7:1 |
| Enrollment | 269 | top 30% | — | — |
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)
17 smaller classes than 29% 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')
269 larger than 28% 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
17.2:1
students per teacher
— 18% above state mean
Top 88% in Illinois — lower ratio than 12% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
12.3%
chronically absent (missed 10%+ of school days)
Between 10–20% — above the pre-pandemic baseline of ~15% nationally but within the current U.S. range.
Funding equity
$15,003
per pupil, district-wide
— below Illinois avg of $17,042
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
11
in-school suspensions + 8 out-of-school
Suspension rate: 4.1 per 100 students. Combined in-school and out-of-school rate: 7.1 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 269 Top 30% in Illinois — larger than 70% of 3,845 state schools
Teachers (FTE) 22.0
Students per teacher 17.2:1 +18% vs state
Free-lunch eligible —
NCES ID 170468000145
Student demographics
Hispanic or Latino 84.0%
White 6.7%
African American 6.3%
Asian 1.5%
Two or More 1.1%
American Indian / Alaska Native 0.4%
Largest group: Hispanic or Latino at 84.0% of enrollment.
Programs & staff
Gifted & talented Yes
Counselors (FTE) 0.0
Discipline & special education
Chronically absent 12.3%
In-school suspensions 11
Out-of-school suspensions 8
Funding & spending
District-wide per-pupil expenditure for Aurora East Usd 131, which includes C I Johnson Elem School.
$15,003
Per student
-12%
vs Illinois
Avg $17,042
-10%
vs U.S.
Avg $16,593
Revenue mix
Local 20.0%
State 60.2%
Federal 19.7%
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.
Other Schools in This District
- Enrollment
- 4,020
- Students per teacher
- 19.4:1
- Enrollment
- 807
- Students per teacher
- 13.8:1
- Enrollment
- 792
- Students per teacher
- 13:1
- Enrollment
- 729
- Students per teacher
- 14.3:1
- Enrollment
- 712
- Students per teacher
- 17.5:1
Similar elementary schools in Aurora
6 comparable elementary schools (grades K-5) serving the same city.
Gwendolyn Brooks Elementary
Standard public school
683 students 17.2:1 students per teacher
Reba O Steck Elementary School
Standard public school
669 students 16.9:1 students per teacher
The Wheatlands Elementary School
Standard public school
613 students 15.7:1 students per teacher
Nancy Young Elementary School
Standard public school
574 students 14.6:1 students per teacher
Homestead Elementary School
Standard public school
511 students 13.4:1 students per teacher
Mccarty Elementary School
Standard public school
478 students 13.3:1 students per teacher
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about C I Johnson Elem School
How many students attend C I Johnson Elem School?
C I Johnson Elem School has 269 students enrolled. It is a elementary school in Aurora, IL.
What is the student-teacher ratio at C I Johnson Elem School?
The student-teacher ratio at C I Johnson Elem School is 17.2:1, which is 18% higher than the Illinois average of 14.6:1 and 10% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of C I Johnson Elem School?
The largest demographic group at C I Johnson Elem School is Hispanic or Latino at 84.0%. The school serves a diverse student body in Aurora, IL.
What is the Resource Investment Index for C I Johnson Elem School?
C I Johnson Elem School has a Resource Investment Index of 57/100 (C) 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 C I Johnson Elem School a good school?
C I Johnson Elem School earns a C Resource Investment Index (57/100), with class sizes larger than 88% 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.