Enrollment
122
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Centralia, IL
Federal NCES profile for North Wamac Grade School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
North Wamac Grade School earns 41/100 on the Resource Investment Index, with class sizes near the Illinois median.
North Wamac Grade School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, North Wamac Grade School ranks #2 of 4 elementary schools in Centralia, IL.
NCES ID 174068004088 Verify on NCES CCD record →
Enrollment
122
Illinois · 2024-25 NCES data
Teachers (FTE)
9.0
Federal CCD staff survey
Students per teacher
13.6:1
vs 14:1 Illinois avg
-3% vs state
How North Wamac Grade School compares with Illinois and U.S. medians
North Wamac Grade School is a small elementary school in Centralia, Illinois, enrolling 122 students.
At 13.6:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
This is a small campus: fewer students than 93% of Illinois schools, with 122 enrolled.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by White (79%) and Two or More (9%) (diversity index 36/100).
Attendance runs somewhat below the norm, with 20.5% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 22.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Centralia's elementary schools, it stands alongside Centralia Jr High School (559 students): North Wamac Grade School is smaller than that campus by headcount and runs heavier classes (13.6:1 vs 12.4:1).
North Wamac Sd 186 operates only this one school, so North Wamac Grade School has no district-mates to compare against locally. At 122 students, it is also a small operation, on the smaller end of Illinois's single-school districts.
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
North Wamac Grade 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 | 13.6:1 | ▼ 3% | 14:1 | 15.7:1 |
| Enrollment | 122 | top 93% | - | - |
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 78.7% of enrollment.
Simpson diversity index - at 36.4, North Wamac Grade School is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for North Wamac Sd 186, which includes North Wamac Grade 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.
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 North Wamac Grade 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.
North Wamac Grade School has 122 students enrolled. It is an elementary school in Centralia, IL.
The student-teacher ratio at North Wamac Grade School is 13.6:1, which is 3% lower than the Illinois average of 14:1 and 13% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at North Wamac Grade School is White at 78.7% of enrollment, in Centralia, IL.
North Wamac Grade School has a Resource Investment Index of 41/100 (typical 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).
By Resource Investment Index, North Wamac Grade School ranks #2 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.
North Wamac Grade School earns 41/100 on the Resource Investment Index, with class sizes near the Illinois median. 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.
None reported; North Wamac Sd 186 operates only North Wamac Grade School as a public school district in NCES's records.
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.