- Enrollment
- 4,020
- Students per teacher
- 18.6:1
- Resource Index
- 55/100
Elementary school (grades K-5) · Aurora, IL
C I Johnson Elem School
Federal NCES profile for C I Johnson Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 63/100.
2024-25 NCES dataElementary school (grades K-5)NCES 170468000145
👥 S:T ratio 51
🌟 Gifted program 70
📋 Attendance 69
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
C I Johnson Elem School earns 63/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #1 of 10
- elementary schools in Aurora · Resource Index
- 63
- Resource Index · Higher
- 12.2:1
- students per teacher
- 269
- students enrolled
C I Johnson Elem School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, C I Johnson Elem School ranks #1 of 10 elementary schools in Aurora, IL.
School address
District: Aurora East Usd 131 · Illinois
NCES ID 170468000145 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-107 students YoY
C I Johnson Elem School shrank from 378 students in 2022-23 to 271 in 2023-24 (-28.3%).
Teacher FTE lost 22.8 → 21.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-107 students YoY 170468000145 · Aurora, IL Elementary · SMALL · TRAD
269 enr · 12.2:1 · RII 63
Nearest enrollment peer: East High School (4,020 students)
C I Johnson Elem School shrank from 378 students in 2022-23 to 271 in 2023-24 (-28.3%). Teacher FTE lost 22.8 → 21.1 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
C I Johnson Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- East High Scho
East High School
4,020 students
- Henry W Cowher 807
Henry W Cowherd Middle School
807 students
- C F Simmons Mi 792
C F Simmons Middle School
792 students
- K D Waldo Midd 729
K D Waldo Middle School
729 students
- Olney C Allen 712
Olney C Allen Elem School
712 students
- This school 269
C I Johnson Elem School
269 students
What this shows C I Johnson Elem School reports 269 students on the CCD universe file.
How C I Johnson Elem School compares
C I Johnson Elem School is a shrinking campus on CCD: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.2:1 | ▼ 13% | 14:1 | 15.7:1 |
| Enrollment | 269 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.2:1
Leaner classes than 74% of US schools, among the more generously staffed nationally.
269
Bigger than 28% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
12.2:1
students per teacher
- 13% below state mean
Top 31% in Illinois - lower ratio than 69% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
12.3%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$16,690
per pupil, district-wide
- below Illinois avg of $18,196
Somewhat 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.
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.
Student-body diversity index 28.6/100
Simpson diversity index - at 28.6, C I Johnson Elem School is less mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
District finance for Aurora East Usd 131 reports $16,690 per pupil (NCES F-33) - open the district page for the full revenue mix.
How C I Johnson Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| East High School | Larger | No free-lunch data | Higher S:T ratio |
| Henry W Cowherd Middle School | Larger | No free-lunch data | Similar S:T ratio |
| C F Simmons Middle School | Larger | No free-lunch data | Similar S:T ratio |
| K D Waldo Middle School | Larger | No free-lunch data | Similar S:T ratio |
| Olney C Allen Elem School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to C I Johnson Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 807
- Students per teacher
- 12.6:1
- Resource Index
- 63/100
- Enrollment
- 792
- Students per teacher
- 13:1
- Resource Index
- 59/100
- Enrollment
- 729
- Students per teacher
- 12.4:1
- Resource Index
- 61/100
- Enrollment
- 712
- Students per teacher
- 16.6:1
- Resource Index
- 44/100
Similar elementary schools in Aurora
6 comparable elementary schools (grades K-5) serving the same city.
Gwendolyn Brooks Elementary
Standard public school
683 students 16.3:1 students per teacher
Reba O Steck Elementary School
Standard public school
669 students 17.2:1 students per teacher
The Wheatlands Elementary School
Standard public school
613 students 17.5:1 students per teacher
Nancy Young Elementary School
Standard public school
574 students 15.1:1 students per teacher
Homestead Elementary School
Standard public school
511 students 13.8:1 students per teacher
Mccarty Elementary School
Standard public school
478 students 13.7:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~269 students)
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 an elementary school in Aurora, IL. CCD year-over-year: 378 (2022-23) → 271 (2023-24), down 107.
What is the student-teacher ratio at C I Johnson Elem School?
The student-teacher ratio at C I Johnson Elem School is 12.2:1, which is 13% lower than the Illinois average of 14:1 and 22% 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 C I Johnson Elem School?
The largest demographic group at C I Johnson Elem School is Hispanic or Latino at 84.0% of enrollment, 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 63/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does C I Johnson Elem School rank among elementary schools in Aurora?
By Resource Investment Index, C I Johnson Elem School ranks #1 of 10 elementary schools in Aurora, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Aurora on the city page.
What other schools are in Aurora East Usd 131?
Besides C I Johnson Elem School, Aurora East Usd 131 also operates East High School (4,020 students), Henry W Cowherd Middle School (807 students), and C F Simmons Middle School (792 students). See the Aurora East Usd 131 district page for the complete list.