Enrollment
391
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Park Forest, IL
Illinois School
Federal NCES profile for Illinois School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 60/100.
2024-25 NCES dataElementary school (grades K-5)NCES 172502002581
👥 S:T ratio 55
🌟 Gifted program 70
📋 Attendance 55
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Illinois School earns 60/100 on the Resource Investment Index, with class sizes smaller than 80% of Illinois schools.
- #1 of 6
- elementary schools in Park Forest · Resource Index
- 60
- Resource Index · Higher
- 11.2:1
- small classes for Illinois
- 391
- students enrolled
Illinois School has class sizes smaller than 80% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Illinois School ranks #1 of 6 elementary schools in Park Forest, IL.
School address
District: Matteson Esd 162 · Illinois
NCES ID 172502002581 Verify on NCES CCD record →
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
11.2:1
vs 14:1 Illinois avg
-20% vs state
Student-teacher ratio in context
How Illinois School compares with Illinois and U.S. medians
What stands out at Illinois School
Illinois School is a mid-sized elementary school in Park Forest, Illinois, enrolling 391 students.
Class sizes run a bit leaner than typical: 11.2:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
With 391 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index outscores 94% of the 3,845 Illinois schools with a score on record, a top-tier result on this measure.
Its student body is predominantly African American (91% of enrollment) (diversity index 17/100).
Attendance runs somewhat below the norm, with 18.2% of students chronically absent per the 2021-22 civil-rights collection.
Among Park Forest's elementary schools, it stands alongside Talala Elementary School (305 students): Illinois School is larger than that campus by headcount and runs leaner classes (11.2:1 vs 21.8:1).
Matteson Esd 162 also operates Arcadia Elem School (516 students) and O W Huth Middle School (421 students) alongside Illinois School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Illinois School compares
Illinois School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.2:1 | ▼ 20% | 14:1 | 15.7:1 |
| Enrollment | 391 | top 47% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.2:1
Leaner classes than 82% of US schools, among the more generously staffed nationally.
391
Bigger than 46% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
11.2:1
students per teacher
- 20% below state mean
Top 20% in Illinois - lower ratio than 80% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
18.2%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$17,561
per pupil, district-wide
- above Illinois avg of $17,042
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
0
in-school suspensions + 4 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
African American 91.0%
Hispanic or Latino 6.9%
Two or More 1.8%
American Indian / Alaska Native 0.3%
Largest group: African American at 91.0% of enrollment.
Student-body diversity index 16.7/100
Simpson diversity index - at 16.7, Illinois School is less mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Matteson Esd 162, which includes Illinois School.
$17,561
Per student
+3%
vs Illinois
Avg $17,042
+6%
vs U.S.
Avg $16,593
Revenue mix
Local 47.5%
State 38.2%
Federal 14.3%
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.
How Illinois School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Arcadia Elem School | Larger | No free-lunch data | Higher S:T ratio |
| O W Huth Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| Matteson Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Sauk Elem School | Smaller | No free-lunch data | Higher S:T ratio |
| Indiana Elem School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Illinois School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 516
- Students per teacher
- 13.9:1
- Resource Index
- 38/100
- Enrollment
- 421
- Students per teacher
- 10.3:1
- Resource Index
- 36/100
- Enrollment
- 420
- Students per teacher
- 15:1
- Resource Index
- 42/100
- Enrollment
- 281
- Students per teacher
- 12.8:1
- Resource Index
- 43/100
- Enrollment
- 215
- Students per teacher
- 12.6:1
- Resource Index
- 41/100
Similar elementary schools in Park Forest
5 comparable elementary schools (grades K-5) serving the same city.
Talala Elementary School
Standard public school
305 students 21.8:1 students per teacher
Mohawk Primary Center
Standard public school
283 students 15.7:1 students per teacher
Indiana Elem School
Standard public school
215 students 12.6:1 students per teacher
Blackhawk Primary Center
Standard public school
167 students 16.7:1 students per teacher
21st Century Primary Center
Standard public school
152 students 11.7:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~391 students)
Similar student-teacher ratio (~11.2:1)
Next steps
Verify locally before acting on Illinois School's federal record.
- Compare Illinois School against another school. Compare schools
- Matteson Esd 162's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Illinois School
How many students attend Illinois School?
Illinois School has 391 students enrolled. It is an elementary school in Park Forest, IL.
What is the student-teacher ratio at Illinois School?
The student-teacher ratio at Illinois School is 11.2:1, which is 20% lower than the Illinois average of 14:1 and 29% 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 Illinois School?
The largest demographic group at Illinois School is African American at 91.0% of enrollment, in Park Forest, IL.
What is the Resource Investment Index for Illinois School?
Illinois School has a Resource Investment Index of 60/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Illinois School rank among elementary schools in Park Forest?
By Resource Investment Index, Illinois School ranks #1 of 6 elementary schools in Park Forest, 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 Park Forest on the city page.
Is Illinois School a good school?
Illinois School earns 60/100 on the Resource Investment Index, with class sizes smaller than 80% of Illinois schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Matteson Esd 162?
Besides Illinois School, Matteson Esd 162 also operates Arcadia Elem School (516 students), O W Huth Middle School (421 students), and Matteson Elem School (420 students). See the Matteson Esd 162 district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.