Enrollment
294
Illinois · 2024-25 NCES data
2024-25 NCES data Elementary school (grades K-5) NCES 171824000670
Olson Park Elem School — Machesney Park, IL
Federal NCES profile for Olson Park Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 51/100.
👥 Class size 35
🌟 Gifted program 70
📋 Attendance 48
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
Olson Park Elem School earns a C- Resource Investment Index (51/100), with class sizes larger than 83% of Illinois schools.
- C-
- Resource Index · 51/100
- 16.3:1
- large classes for Illinois
- 294
- students enrolled
School address
District: Harlem Ud 122 · 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)
21.0
Federal CCD staff survey
Students per teacher
16.3:1
vs 14.6:1 Illinois avg
+12% vs state
Student-teacher ratio in context
How Olson Park 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
Olson Park Elem School reports 294 enrolled students to the National Center for Education Statistics (NCES) alongside 21.0 full-time-equivalent teachers, producing a 16.3:1 student-teacher ratio. That figure sits 12% 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 4% higher, a useful calibration for families comparing districts across state lines.
Chronic absenteeism — missing 10% or more of school days — stands at 20.7% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Harlem Ud 122 spends $18,860 per pupil district-wide, above the Illinois average of $17,042 and above the national average of $16,593. Revenue comes 41.1% from local sources (property taxes), 46.8% from the state, and 12.1% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 51/100 (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 Olson Park 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 | 16.3:1 | ▲ 12% | 14.6:1 | 15.7:1 |
| Enrollment | 294 | top 35% | — | — |
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)
16 smaller classes than 36% 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')
294 larger than 31% 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
16.3:1
students per teacher
— 12% above state mean
Top 83% in Illinois — lower ratio than 17% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
20.7%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$18,860
per pupil, district-wide
— above Illinois avg of $17,042
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
8
in-school suspensions + 3 out-of-school
Suspension rate: 2.7 per 100 students. Combined in-school and out-of-school rate: 3.7 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 294 Top 35% in Illinois — larger than 65% of 3,845 state schools
Teachers (FTE) 21.0
Students per teacher 16.3:1 +12% vs state
Free-lunch eligible —
NCES ID 171824000670
Student demographics
White 67.3%
Hispanic or Latino 14.6%
Two or More 10.2%
African American 5.1%
Asian 2.0%
American Indian / Alaska Native 0.7%
Largest group: White at 67.3% of enrollment.
Programs & staff
Gifted & talented Yes
Counselors (FTE) 0.0
Discipline & special education
Chronically absent 20.7%
In-school suspensions 8
Out-of-school suspensions 3
Funding & spending
District-wide per-pupil expenditure for Harlem Ud 122, which includes Olson Park Elem School.
$18,860
Per student
+11%
vs Illinois
Avg $17,042
+14%
vs U.S.
Avg $16,593
Revenue mix
Local 41.1%
State 46.8%
Federal 12.1%
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
- 1,884
- Students per teacher
- 13.7:1
- Enrollment
- 1,330
- Students per teacher
- 12.1:1
- Enrollment
- 571
- Students per teacher
- 16.3:1
- Enrollment
- 361
- Students per teacher
- 13.2:1
- Enrollment
- 315
- Students per teacher
- 13.5:1
Similar elementary schools in Machesney Park
3 comparable elementary schools (grades K-5) serving the same city.
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 Olson Park Elem School
How many students attend Olson Park Elem School?
Olson Park Elem School has 294 students enrolled. It is a elementary school in Machesney Park, IL.
What is the student-teacher ratio at Olson Park Elem School?
The student-teacher ratio at Olson Park Elem School is 16.3:1, which is 12% higher than the Illinois average of 14.6:1 and 4% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Olson Park Elem School?
The largest demographic group at Olson Park Elem School is White at 67.3%. The school serves a diverse student body in Machesney Park, IL.
What is the Resource Investment Index for Olson Park Elem School?
Olson Park Elem School has a Resource Investment Index of 51/100 (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 Olson Park Elem School a good school?
Olson Park Elem School earns a C- Resource Investment Index (51/100), with class sizes larger than 83% 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.