Enrollment
308
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Belleville, IL
Central Jr High School
Federal NCES profile for Central Jr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 170561000232
👥 S:T ratio 53
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Central Jr High School earns 28/100 on the Resource Investment Index, even as it posts class sizes smaller than 74% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #2 of 3
- middle schools in Belleville · Resource Index
- 28
- Resource Index · Lower
- 11.8:1
- small classes for Illinois
- 308
- students enrolled
Central Jr High School has class sizes smaller than 74% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Central Jr High School ranks #2 of 3 middle schools in Belleville, IL.
School address
District: Belleville Sd 118 · Illinois
NCES ID 170561000232 Verify on NCES CCD record →
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
11.8:1
vs 14:1 Illinois avg
-16% vs state
Student-teacher ratio in context
How Central Jr High School compares with Illinois and U.S. medians
What stands out at Central Jr High School
Central Jr High School is a mid-sized middle school in Belleville, Illinois, enrolling 308 students.
Class sizes run a bit leaner than typical: 11.8:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
With 308 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by White (45%) and African American (40%), more mixed than most schools in the state (diversity index 63/100).
Chronic absenteeism is elevated: 45.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 156 in- and out-of-school suspensions were reported for 308 students in the 2021-22 Civil Rights Data Collection.
Among Belleville's middle schools, it stands alongside West Jr High School (364 students): Central Jr High School is smaller than that campus by headcount and runs leaner classes (11.8:1 vs 12.1:1).
Belleville Sd 118 also operates Abraham Lincoln Elem School (542 students) and Union Elem School (432 students) alongside Central Jr High 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 Central Jr High School compares
Central Jr High 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 | 11.8:1 | ▼ 16% | 14:1 | 15.7:1 |
| Enrollment | 308 | top 62% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.8:1
Leaner classes than 77% of US schools, among the more generously staffed nationally.
308
Bigger than 33% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
11.8:1
students per teacher
- 16% below state mean
Top 26% in Illinois - lower ratio than 74% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
45.5%
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
$17,301
per pupil, district-wide
- above Illinois avg of $17,042
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
105
in-school suspensions + 51 out-of-school
Suspension rate: 34.1 per 100 students. Combined in-school and out-of-school rate: 50.6 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
White 44.5%
African American 40.3%
Two or More 10.7%
Hispanic or Latino 4.2%
Asian 0.3%
Largest group: White at 44.5% of enrollment.
Student-body diversity index 62.6/100
Simpson diversity index - at 62.6, Central Jr High School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Belleville Sd 118, which includes Central Jr High School.
$17,301
Per student
+2%
vs Illinois
Avg $17,042
+4%
vs U.S.
Avg $16,593
Revenue mix
Local 31.1%
State 55.6%
Federal 13.4%
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.
How Central Jr High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Abraham Lincoln Elem School | Larger | No free-lunch data | Higher S:T ratio |
| Union Elem School | Larger | No free-lunch data | Higher S:T ratio |
| West Jr High School | Similar size | No free-lunch data | Similar S:T ratio |
| Westhaven Elementary | Similar size | No free-lunch data | Lower S:T ratio |
| Jefferson Elem School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Central Jr High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 542
- Students per teacher
- 16.4:1
- Resource Index
- 28/100
- Enrollment
- 432
- Students per teacher
- 16.6:1
- Resource Index
- 23/100
- Enrollment
- 364
- Students per teacher
- 12.1:1
- Resource Index
- 27/100
- Enrollment
- 313
- Students per teacher
- 9.8:1
- Resource Index
- 47/100
- Enrollment
- 293
- Students per teacher
- 11.3:1
- Resource Index
- 39/100
Similar middle schools in Belleville
2 comparable middle schools (grades 6-8) serving the same city.
Similar middle 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 (~308 students)
Next steps
Verify locally before acting on Central Jr High School's federal record.
- Compare Central Jr High School against another school. Compare schools
- Belleville Sd 118'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 Central Jr High School
How many students attend Central Jr High School?
Central Jr High School has 308 students enrolled. It is a middle school in Belleville, IL.
What is the student-teacher ratio at Central Jr High School?
The student-teacher ratio at Central Jr High School is 11.8:1, which is 16% lower than the Illinois average of 14:1 and 25% 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 Jr High School?
The largest demographic group at Central Jr High School is White at 44.5% of enrollment, in Belleville, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.6/100.
What is the Resource Investment Index for Central Jr High School?
Central Jr High School has a Resource Investment Index of 28/100 (lower 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 Central Jr High School rank among middle schools in Belleville?
By Resource Investment Index, Central Jr High School ranks #2 of 3 middle schools in Belleville, 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 Belleville on the city page.
Is Central Jr High School a good school?
Central Jr High School earns 28/100 on the Resource Investment Index, even as it posts class sizes smaller than 74% of Illinois schools. It is also more racially and ethnically mixed than most 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 Belleville Sd 118?
Besides Central Jr High School, Belleville Sd 118 also operates Abraham Lincoln Elem School (542 students), Union Elem School (432 students), and West Jr High School (364 students). See the Belleville Sd 118 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.