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Williamsville, Illinois - 3 schools
An equity score of 18/100 ranks Williamsville Cusd 15 #722 of 763 districts in Illinois (state average 38). Derived live from how evenly resources are distributed across the district's schools.
At $10,503 per pupil, Williamsville Cusd 15 ranks #834 of 848 Illinois districts by per-pupil spending (Illinois districts). NCES F-33 finance data.
1,494
Total Enrollment
3
Schools
$10,503
Per-Pupil Spending
Combined, High
School Types
District-Level NCES Analysis
Williamsville Cusd 15 operates 3 public schools serving 1,494 students, placing it among the smallest districts in Illinois. The school portfolio breaks down into 1 combined, 1 high, 1 elementary schools, a small enough portfolio that most families will interact with nearly every campus in the district at some point. These enrollment and school figures come from the NCES Common Core of Data (CCD) 2024-25 release, and the district is based in Sangamon County.
Per-pupil expenditure runs $10,503 according to the NCES F-33 School District Finance Survey, among the bottom 85 of 848 Illinois districts by per-pupil spending. See how Illinois compares in our national per-pupil spending analysis. The funding mix is 53.5% local, 37.8% state, and 8.7% federal, a local-revenue-heavy mix that leaves the district more exposed to property-tax swings and local ballot measures than state-funded peers. The district's equity score is 18/100, ranked #722 of 763 in Illinois against a state average of 38, notably less even than the typical district in the state for how evenly funding reaches its schools.
Academic infrastructure includes 1 of 3 schools offering Advanced Placement (5 AP courses district-wide), a 409:1 student-counselor ratio, above both the ASCA benchmark and the roughly 408:1 national average, and 14.9% chronic absenteeism from the 2021-22 Civil Rights Data Collection. Demographically, the student body averages 94.8% White, 1.4% Hispanic or Latino, 0.9% African American across the district's schools. Its most demographically mixed campus is Williamsville Jr High School, with a diversity index of 14.0/100.
Its largest campus is Sherman Elem School, enrolling 552 students (38% of the district's total enrollment).
Sherman Elem School accounts for 36.9% of all Williamsville Cusd 15 student enrollment
That dominant concentration means Williamsville Cusd 15-wide averages can mask substantial variation outside the dominant entity. Grade band: combined. A single dominant campus often anchors a district's program offerings and staffing patterns; the share helps explain why district-wide averages may not reflect the typical neighbourhood-school experience. When one entity dominates a region's footprint, its programmatic and budget decisions effectively set policy for a majority of the affected population.
Williamsville Cusd 15 student-counselor ratio is 409:1 — high (typically associated with staffing constraints that limit per-student counselor time; CRDC data shows higher ratios cluster in larger urban systems)
student-counselor ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE counselors against total enrollment, districts that contract intervention or social-emotional staff outside the counselor classification may be under-counted Higher values may reflect larger urban scale or recent resource constraints that have widened the gap.
Williamsville Cusd 15 chronic absenteeism rate is 14.9% — low (typically associated with lower-than-average attendance disruption; districts in this range often have attendance interventions, robust transportation, or smaller catchments that reduce barriers)
chronic absenteeism rate is the simplest comparative metric but it does not capture the full picture: a student is chronically absent if they miss ≥10% of enrolled days for any reason, illness, family obligations, or disengagement Lower values often correlate with smaller scale and population characteristics rather than higher resource budgets per se.