- Enrollment
- 626
- Students per teacher
- 16.9:1
- Resource Index
- 54/100
Middle school (grades 6-8) · Downers Grove, IL
O Neill Middle School
Federal NCES profile for O Neill Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 171254001514
👥 S:T ratio 42
🌟 Gifted program 70
📋 Attendance 58
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
O Neill Middle School earns 57/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #1 of 3
- middle schools in Downers Grove · Resource Index
- 57
- Resource Index · Higher
- 14.4:1
- students per teacher
- 403
- students enrolled
O Neill Middle School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, O Neill Middle School ranks #1 of 3 middle schools in Downers Grove, IL.
School address
District: Downers Grove Gsd 58 · Illinois
NCES ID 171254001514 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+5 students YoY
O Neill Middle School held near 438 students from 2022-23 to 2023-24 (+5 headcount).
Teacher FTE added 28.5 → 29.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+5 students YoY 171254001514 · Downers Grove, IL Middle · SMALL · TRAD
403 enr · 14.4:1 · RII 57
Nearest enrollment peer: Herrick Middle School (626 students)
O Neill Middle School held near 438 students from 2022-23 to 2023-24 (+5 headcount). Teacher FTE added 28.5 → 29.7 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
O Neill Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Herrick Middle
Herrick Middle School
626 students
- Lester Elem Sc
Lester Elem School
531 students
- This school
O Neill Middle School
403 students
- Hillcrest Elem
Hillcrest Elem School
382 students
- Kingsley Elem
Kingsley Elem School
359 students
- Highland Elem
Highland Elem School
352 students
What this shows O Neill Middle School reports 403 students on the CCD universe file.
How O Neill Middle School compares
O Neill Middle School held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.4:1 | ▲ 3% | 14:1 | 15.7:1 |
| Enrollment | 403 | top 45% | - | - |
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.
403
Bigger than 48% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
14.4:1
students per teacher
- 3% above state mean
Top 62% in Illinois - lower ratio than 38% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
16.9%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$20,037
per pupil, district-wide
- above Illinois avg of $18,196
Somewhat 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
14
in-school suspensions + 8 out-of-school
Suspension rate: 3.5 per 100 students. Combined in-school and out-of-school rate: 5.5 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 66.5%
Hispanic or Latino 16.9%
Two or More 7.2%
Asian 5.5%
African American 4.0%
Largest group: White at 66.5% of enrollment.
Student-body diversity index 51.9/100
Simpson diversity index - at 51.9, O Neill Middle School is more mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
District finance for Downers Grove Gsd 58 reports $20,037 per pupil (NCES F-33) - open the district page for the full revenue mix.
How O Neill Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Herrick Middle School | Larger | No free-lunch data | Higher S:T ratio |
| Lester Elem School | Larger | No free-lunch data | Higher S:T ratio |
| Hillcrest Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Kingsley Elem School | Similar size | No free-lunch data | Lower S:T ratio |
| Highland Elem School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to O Neill Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 531
- Students per teacher
- 18.3:1
- Resource Index
- 63/100
- Enrollment
- 382
- Students per teacher
- 15.9:1
- Resource Index
- 65/100
- Enrollment
- 359
- Students per teacher
- 12.4:1
- Resource Index
- 70/100
- Enrollment
- 352
- Students per teacher
- 16:1
- Resource Index
- 62/100
Similar middle schools in Downers Grove
2 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle 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 (~403 students)
Frequently asked questions about O Neill Middle School
How many students attend O Neill Middle School?
O Neill Middle School has 403 students enrolled. It is a middle school in Downers Grove, IL. CCD year-over-year: 433 (2022-23) → 438 (2023-24), nearly flat (+5).
What is the student-teacher ratio at O Neill Middle School?
The student-teacher ratio at O Neill Middle School is 14.4:1, which is 3% higher than the Illinois average of 14:1 and 8% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of O Neill Middle School?
The largest demographic group at O Neill Middle School is White at 66.5% of enrollment, in Downers Grove, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.9/100.
What is the Resource Investment Index for O Neill Middle School?
O Neill Middle School has a Resource Investment Index of 57/100 (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 O Neill Middle School rank among middle schools in Downers Grove?
By Resource Investment Index, O Neill Middle School ranks #1 of 3 middle schools in Downers Grove, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Downers Grove on the city page.
What other schools are in Downers Grove Gsd 58?
Besides O Neill Middle School, Downers Grove Gsd 58 also operates Herrick Middle School (626 students), Lester Elem School (531 students), and Hillcrest Elem School (382 students). See the Downers Grove Gsd 58 district page for the complete list.