Enrollment
657
Illinois · 2024-25 NCES data
2024-25 NCES data Other / mixed grade configuration NCES 170993001009
Onahan Elem School — Chicago, IL
Federal NCES profile for Onahan Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — composite Resource Quality Score 29/100.
School address
District: City of Chicago Sd 299 · 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)
45.0
Federal CCD staff survey
Students per teacher
14.9:1
vs 14.6:1 Illinois avg
+2% vs state
Student-teacher ratio in context
How Onahan Elem School compares with Illinois and U.S. medians
What this school's NCES data tells you
Onahan Elem School reports 657 enrolled students to the National Center for Education Statistics (NCES) alongside 45.0 full-time-equivalent teachers, producing a 14.9:1 student-teacher ratio. That figure sits 2% 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 15.9:1, it is 6% lower, a useful calibration for families comparing districts across state lines.
Counselor coverage works out to roughly 657 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 22.1% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding City of Chicago Sd 299 spends $25,599 per pupil district-wide, above the Illinois average of $20,099 and above the national average of $19,490. Revenue comes 52.8% from local sources (property taxes), 29.9% from the state, and 17.4% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a composite Resource Quality Grade of F (29/100), calculated from 4 distinct NCES and CRDC indicators.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Onahan 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 | Illinois avg | U.S. avg |
|---|---|---|---|
| Students per teacher | 14.9:1 | 14.6:1 | 15.9:1 |
| Enrollment (students) | 657 | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Overview
Enrollment 657
Teachers (FTE) 45.0
Students per teacher 14.9:1 +2% vs state
Free-lunch eligible —
NCES ID 170993001009
Student demographics
White 59.2%
Hispanic or Latino 31.4%
Two or More 4.0%
Asian 3.0%
African American 1.8%
American Indian / Alaska Native 0.5%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 59.2% of enrollment.
Programs & staff
Counselors (FTE) 1.0
Students per counselor 657:1
Discipline & special education
Chronically absent 22.1%
In-school suspensions 2
Out-of-school suspensions 0
Funding & spending
District-wide per-pupil expenditure for City of Chicago Sd 299, which includes Onahan Elem School.
$25,599
Per student
+27%
vs Illinois
Avg $20,099
+31%
vs U.S.
Avg $19,490
Revenue mix
Local 52.8%
State 29.9%
Federal 17.4%
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
- 4,604
- Students per teacher
- 17.4:1
- Enrollment
- 4,487
- Students per teacher
- 16.6:1
- Enrollment
- 3,099
- Students per teacher
- 16.5:1
- Enrollment
- 2,268
- Students per teacher
- 19.2:1
- Enrollment
- 2,223
- Students per teacher
- 16.9:1
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 17.4:1 students per teacher
Taft High School
Standard public school
4,487 students 16.6:1 students per teacher
Kenwood Academy High School
Standard public school
2,268 students 19.2:1 students per teacher
Young Magnet High School
Standard public school
2,223 students 16.9:1 students per teacher
Disney Elem Magnet School
Standard public school
1,384 students 16:1 students per teacher
Morgan Park High School
Standard public school
1,349 students 16.3:1 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 Onahan Elem School
How many students attend Onahan Elem School?
Onahan Elem School has 657 students enrolled. It is a other school in Chicago, IL.
What is the student-teacher ratio at Onahan Elem School?
The student-teacher ratio at Onahan Elem School is 14.9:1, which is 2% higher than the Illinois average of 14.6:1 and 6% lower than the national average of 15.9:1.
What is the racial and ethnic makeup of Onahan Elem School?
The largest demographic group at Onahan Elem School is White at 59.2%. The school serves a diverse student body in Chicago, IL.
What is the quality grade for Onahan Elem School?
Onahan Elem School receives a Resource Quality Grade of F (29/100) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This grade reflects available federal resource indicators, not standardized test scores.
Related data sources
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