Enrollment
559
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Centralia, IL
Federal NCES profile for Centralia Jr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 20/100.
The verdict
Centralia Jr High School earns 20/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
Centralia Jr High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Centralia Jr High School ranks #4 of 4 elementary schools in Centralia, IL.
NCES ID 170927000535 Verify on NCES CCD record →
Enrollment
559
Illinois · 2024-25 NCES data
Teachers (FTE)
45.0
Federal CCD staff survey
Students per teacher
12.4:1
vs 14:1 Illinois avg
-11% vs state
How Centralia Jr High School compares with Illinois and U.S. medians
At or below state median
12.4:1 - 1.6 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Centralia Jr High School is a mid-sized elementary school in Centralia, Illinois, enrolling 559 students.
Class sizes run a bit leaner than typical: 12.4:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 559 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index trails 96% of the 3,845 Illinois schools with a score on record, one of the lower results on this measure.
Its student body is led by White (59%) and African American (19%), more mixed than most schools in the state (diversity index 59/100).
Counselor access is stretched at roughly 559 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 63.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 21.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 183 in- and out-of-school suspensions were reported for 559 students in the 2021-22 Civil Rights Data Collection.
Among Centralia's elementary schools, it stands alongside Jordan Elem School (228 students): Centralia Jr High School is larger than that campus by headcount and runs heavier classes (12.4:1 vs 12:1).
Centralia Sd 135 also operates Schiller Elem School (270 students) and Jordan Elem School (228 students) alongside Centralia 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
Centralia 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 | 12.4:1 | ▼ 11% | 14:1 | 15.7:1 |
| Enrollment | 559 | top 24% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 58.9% of enrollment.
Simpson diversity index - at 59.3, Centralia Jr High School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Centralia Sd 135, which includes Centralia Jr High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Schiller Elem School | Smaller | No free-lunch data | Higher S:T ratio |
| Jordan Elem School | Smaller | No free-lunch data | Similar S:T ratio |
| Centralia Pre-Kindergarten Ctr | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Centralia Jr High School's own figures; each column derives from NCES Common Core of Data.
3 comparable elementary schools (grades K-5) serving the same city.
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.
Next steps
Verify locally before acting on Centralia Jr High School's federal record.
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.
Centralia Jr High School has 559 students enrolled. It is an elementary school in Centralia, IL.
The student-teacher ratio at Centralia Jr High School is 12.4:1, which is 11% lower than the Illinois average of 14:1 and 21% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Centralia Jr High School is White at 58.9% of enrollment, in Centralia, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.3/100.
Centralia Jr High School has a Resource Investment Index of 20/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Centralia Jr High School ranks #4 of 4 elementary schools in Centralia, 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 Centralia on the city page.
Centralia Jr High School earns 20/100 on the Resource Investment Index, with class sizes near the Illinois median. 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.
Besides Centralia Jr High School, Centralia Sd 135 also operates Schiller Elem School (270 students), Jordan Elem School (228 students), and Centralia Pre-Kindergarten Ctr (11 students). See the Centralia Sd 135 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, or report a data error. Data current as of June 2026.
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PlainSchools, “Centralia Jr High School, Centralia IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/centralia-jr-high-school-il
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