- Enrollment
- 4,604
- Students per teacher
- 17.8:1
- Resource Index
- 38/100
Other / mixed grade configuration · Chicago, IL
Reilly Elem School
Federal NCES profile for Reilly Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
2024-25 NCES dataOther / mixed grade configurationNCES 170993001054
👥 S:T ratio 52
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 11
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Reilly Elem School earns 23/100 on the Resource Investment Index, even as it posts class sizes smaller than 71% of Illinois schools.
- #312 of 394
- schools in Chicago · Resource Index
- 23
- Resource Index · Lower
- 12:1
- small classes for Illinois
- 539
- students enrolled
Reilly Elem School has class sizes smaller than 71% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Reilly Elem School ranks #312 of 394 schools in Chicago, IL.
School address
District: City of Chicago Sd 299 · Illinois
NCES ID 170993001054 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-35 students YoY
Reilly Elem School shrank from 563 students in 2022-23 to 528 in 2023-24 (-6.2%).
Teacher FTE lost 45.0 → 41.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-35 students YoY 170993001054 · Chicago, IL Other · MID · TRAD
539 enr · 12:1 · RII 23
Nearest enrollment peer: Lane Technical High School (4,604 students)
Reilly Elem School shrank from 563 students in 2022-23 to 528 in 2023-24 (-6.2%). Teacher FTE lost 45.0 → 41.3 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Reilly Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lane Technical
Lane Technical High School
4,604 students
- Taft High Scho
Taft High School
4,487 students
- Curie Metropol
Curie Metropolitan High School
3,099 students
- Kenwood Academ
Kenwood Academy High School
2,268 students
- Young Magnet H
Young Magnet High School
2,223 students
- This school 539
Reilly Elem School
539 students
What this shows Reilly Elem School reports 539 students on the CCD universe file.
How Reilly Elem School compares
Reilly 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 | 12:1 | ▼ 14% | 14:1 | 15.7:1 |
| Enrollment | 539 | top 26% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
539
Bigger than 66% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
12:1
students per teacher
- 14% below state mean
Top 29% in Illinois - lower ratio than 71% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
35.6%
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
$22,699
per pupil, district-wide
- above Illinois avg of $18,196
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 539 students, the combined health-and-guidance staffing load for this school.
Discipline context
11
in-school suspensions + 5 out-of-school
Suspension rate: 2.0 per 100 students. Combined in-school and out-of-school rate: 3.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 90.4%
White 3.0%
African American 2.0%
Asian 2.0%
American Indian / Alaska Native 1.3%
Two or More 1.3%
Largest group: Hispanic or Latino at 90.4% of enrollment.
Student-body diversity index 18.1/100
Simpson diversity index - at 18.1, Reilly Elem School is less mixed than the Illinois school average of 38.9.
Programs
District finance for City of Chicago Sd 299 reports $22,699 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Reilly Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lane Technical High School | Larger | No free-lunch data | Higher S:T ratio |
| Taft High School | Larger | No free-lunch data | Higher S:T ratio |
| Curie Metropolitan High School | Larger | No free-lunch data | Higher S:T ratio |
| Kenwood Academy High School | Larger | No free-lunch data | Higher S:T ratio |
| Young Magnet High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Reilly Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 4,487
- Students per teacher
- 16.7:1
- Resource Index
- 41/100
- Enrollment
- 3,099
- Students per teacher
- 16.1:1
- Resource Index
- 32/100
- Enrollment
- 2,268
- Students per teacher
- 18.6:1
- Resource Index
- 34/100
- Enrollment
- 2,223
- Students per teacher
- 17.5:1
- Resource Index
- 52/100
Similar other schools in Chicago
6 comparable other schools (grades Mixed) serving the same city.
Lane Technical High School
Standard public school
4,604 students 17.8:1 students per teacher
Taft High School
Standard public school
4,487 students 16.7:1 students per teacher
Kenwood Academy High School
Standard public school
2,268 students 18.6:1 students per teacher
Young Magnet High School
Standard public school
2,223 students 17.5:1 students per teacher
Disney Elem Magnet School
Standard public school
1,384 students 15.2:1 students per teacher
Morgan Park High School
Standard public school
1,349 students 19:1 students per teacher
Nationwide other 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 (~539 students)
Frequently asked questions about Reilly Elem School
How many students attend Reilly Elem School?
Reilly Elem School has 539 students enrolled. It is a public school in Chicago, IL. CCD year-over-year: 563 (2022-23) → 528 (2023-24), down 35.
What is the student-teacher ratio at Reilly Elem School?
The student-teacher ratio at Reilly Elem School is 12:1, which is 14% lower than the Illinois average of 14:1 and 24% 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 Reilly Elem School?
The largest demographic group at Reilly Elem School is Hispanic or Latino at 90.4% of enrollment, in Chicago, IL.
What is the Resource Investment Index for Reilly Elem School?
Reilly Elem School has a Resource Investment Index of 23/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Reilly Elem School rank among schools in Chicago?
By Resource Investment Index, Reilly Elem School ranks #312 of 394 schools in Chicago, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Chicago on the city page.
What other schools are in City of Chicago Sd 299?
Besides Reilly Elem School, City of Chicago Sd 299 also operates Lane Technical High School (4,604 students), Taft High School (4,487 students), and Curie Metropolitan High School (3,099 students). See the City of Chicago Sd 299 district page for the complete list.