- Enrollment
- 462
- Students per teacher
- 12.5:1
- Resource Index
- 51/100
Middle school (grades 6-8) · Tinley Park, IL
Central Middle School
Federal NCES profile for Central Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 173903003959
👥 S:T ratio 52
🌟 Gifted program 70
📋 Attendance 31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Central Middle School earns 51/100 on the Resource Investment Index, with class sizes smaller than 73% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #1 of 3
- middle schools in Tinley Park · Resource Index
- 51
- Resource Index · Higher
- 11.9:1
- small classes for Illinois
- 725
- students enrolled
Central Middle School has class sizes smaller than 73% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Central Middle School ranks #1 of 3 middle schools in Tinley Park, IL.
School address
NCES ID 173903003959 Verify on NCES CCD record →
NCES CCD universe card
School universe 173903003959 · Tinley Park, IL Middle · MID · TRAD
725 enr · 11.9:1 · RII 51
Nearest enrollment peer: Arnold W Kruse Ed Center (462 students)
Resource Investment Index #1 of 3 middle schools in Tinley Park. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Central Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Central Middle School
725 students
- Arnold W Kruse
Arnold W Kruse Ed Center
462 students
- Walter F Fierk
Walter F Fierke Ed Center
443 students
- Bert H Fulton
Bert H Fulton School
404 students
- Memorial Elem
Memorial Elem School
291 students
What this shows Central Middle School reports 725 students on the CCD universe file.
How Central Middle School compares
Central Middle 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 | 11.9:1 | ▼ 15% | 14:1 | 15.7:1 |
| Enrollment | 725 | top 13% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.9:1
Leaner classes than 76% of US schools, among the more generously staffed nationally.
725
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
11.9:1
students per teacher
- 15% below state mean
Top 27% in Illinois - lower ratio than 73% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
27.6%
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
$22,070
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
19
in-school suspensions + 26 out-of-school
Suspension rate: 2.6 per 100 students. Combined in-school and out-of-school rate: 6.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 56.3%
Hispanic or Latino 20.7%
Two or More 11.2%
African American 10.2%
Asian 1.5%
American Indian / Alaska Native 0.1%
Largest group: White at 56.3% of enrollment.
Student-body diversity index 61.7/100
Simpson diversity index - at 61.7, Central Middle School is more mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Ccsd 146, which includes Central Middle School.
$22,070
Per student
+21%
vs Illinois
Avg $18,196
+25%
vs U.S.
Avg $17,658
Revenue mix
Local 64.9%
State 27.0%
Federal 8.1%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Central Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Arnold W Kruse Ed Center | Smaller | No free-lunch data | Similar S:T ratio |
| Walter F Fierke Ed Center | Smaller | No free-lunch data | Higher S:T ratio |
| Bert H Fulton School | Smaller | No free-lunch data | Similar S:T ratio |
| Memorial Elem School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Central Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 443
- Students per teacher
- 14.3:1
- Resource Index
- 59/100
- Enrollment
- 404
- Students per teacher
- 10.6:1
- Resource Index
- 62/100
- Enrollment
- 291
- Students per teacher
- 10:1
- Resource Index
- 56/100
Similar middle schools in Tinley Park
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 (~725 students)
Frequently asked questions about Central Middle School
How many students attend Central Middle School?
Central Middle School has 725 students enrolled. It is a middle school in Tinley Park, IL.
What is the student-teacher ratio at Central Middle School?
The student-teacher ratio at Central Middle School is 11.9:1, which is 15% 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 Central Middle School?
The largest demographic group at Central Middle School is White at 56.3% of enrollment, in Tinley Park, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.7/100.
What is the Resource Investment Index for Central Middle School?
Central Middle School has a Resource Investment Index of 51/100 (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 Central Middle School rank among middle schools in Tinley Park?
By Resource Investment Index, Central Middle School ranks #1 of 3 middle schools in Tinley Park, 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 Tinley Park on the city page.
What other schools are in Ccsd 146?
Besides Central Middle School, Ccsd 146 also operates Arnold W Kruse Ed Center (462 students), Walter F Fierke Ed Center (443 students), and Bert H Fulton School (404 students). See the Ccsd 146 district page for the complete list.
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, the data changelog, or report a data error. Data current as of August 2026.