Below Average
#3105 of 3,813 schools in IL
Williamsville High School
High School · Williamsville Cusd 15 · Williamsville, IL
A Williamsville Cusd 15 high school where students score 12 points below what's typical for similar communities.
900 S Walnut St, Williamsville, IL 62693
- Math 22% proficient (2021)
- Reading 37% proficient (2022)
- 4/5 advanced STEM subjects
Academics
Full Profile · 4/4 metricsView breakdown
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Students at Williamsville High School score 30% proficient, which is below what's typical for similar communities (expected: 41%).
2022 EdFacts proficiency
Most recent published year. School vs. IL average.
Trend
↓ DecliningProficiency has fallen 10 points since 2019, to 37% in 2022, across a 14-year record (2009–2022).
Show all 14 years
Multi-year averages used by the rating model: math 52% (multi-year average, 2009-2021) · reading/ELA 57% (multi-year average, 2009-2022)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 27 test records from IL state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
18.1%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Williamsville High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 18Car-Dependent
- Bike 34Somewhat Bikeable
- County Safety: Average453/100K
Powered by
FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details
Source period: 2024. A newer release may be available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$126,488
Median home value
$193,800
Median rent
$1,055/mo
College educated
43.3%
Homeownership
88.5%
Poverty rate
8.6%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 62693; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
0 from verified nearby records
No verified same-level alternatives
The available nearby set has no same-level school with a verified grade span.
Williamsville Cusd 15
- Schools in district
- 3
- Rank in district
- #3 of 3
- District spending per student
- $12,503NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 2.5%Census SAIPE · 2024
Williamsville High School is listed in Williamsville CUSD 15; a district label does not verify attendance for an address.
About Williamsville High School
Williamsville High School is a public high school in Williamsville, IL, part of Williamsville Cusd 15, serving approximately 475 students in grades 9th-12th with a 14.8:1 student-teacher ratio. It holds a MySchoolScout rating of 4.8 out of 10 and ranks #3,105 of 3,813 schools in IL. State assessment records show 52% math proficiency (multi-year average, 2009-2021) and 57% reading/ELA proficiency (multi-year average, 2009-2022).
Frequently asked questions
Common questions about Williamsville High School
What grades does Williamsville High School serve?
Williamsville High School serves students in grades 9th through 12th.
How many students attend Williamsville High School?
Williamsville High School has an enrollment of approximately 475 students.
What is the student-teacher ratio at Williamsville High School?
The student-teacher ratio at Williamsville High School is 14.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Williamsville High School rank in IL?
Williamsville High School ranks #3,105 of 3,813 schools in IL.
What is Williamsville High School's MySchoolScout rating?
Williamsville High School has a current MySchoolScout rating of 4.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Williamsville High School?
Based on loaded state assessment records, Williamsville High School has 52% math proficiency (multi-year average, 2009-2021) and 57% reading/ELA proficiency (multi-year average, 2009-2022).
Is Williamsville High School a charter school?
No, Williamsville High School is not a charter school. It is a traditional public school operated by the local school district.
Is Williamsville High School a Title I school?
No, Williamsville High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Williamsville High School?
18.1% of students at Williamsville High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 475
- Student-Teacher Ratio
- 14.8:1
- Teachers (FTE)
- 32
- Type
- regular
- Setting
- Midsize Suburb
- County
- Sangamon County
- Chronic Absenteeism (SY 2022-23)
- 21.7%
- Phone
- (217) 566-3361
- Area population (ZIP 62693)
- 1,871
- Area median age
- 44.8
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2021 EdFacts · Low confidence
- Older source: 2021 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2022 EdFacts · Low confidence
- Older source: 2022 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 62693; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2021, multi-year average, 2009-2022; directory SY 2023–24
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