Williamsville High School
🇺🇸 Official data · 2025Williamsville, Illinois 62693 · Williamsville CUSD 15
#57 of 691 high schools in Illinois
#5322 of 16,910 nationally
About Williamsville High School
Williamsville High School is a public high school located in Williamsville, in the Williamsville CUSD 15 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 462 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 61.9 out of 100, placing it in the top 50% of high schools in United States and 57th of 691 ranked high schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (93th percentile), and its weakest is reading proficiency (47th percentile).
Other published figures: enrollment 462.
There are 2 schools in Williamsville; Williamsville High School ranks 1st of 2 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)42%
- Reading proficiency (30%)52%
- Community advantage (fewer free/reduced-price lunch) (25%)18.2%
- Students per teacher (15%)14.0
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Williamsville High School by the official sources.
- Enrollment
- 462
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 18.2%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 14.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 52%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
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Schools near Williamsville High School
Closest schools by straight-line distance, with their Success Index (US).
Williamsville Jr High School
Williamsville · Public middle · Grades 5–8
444 students · 311 m away
Sherman Elem School
Sherman · Public elementary · Grades PK–4
552 students · 7.5 km away
Riverton High School
Riverton · Public high · Grades 9–12
357 students · 11 km away
Cantrall Elem School
Cantrall · Public elementary · Grades PK–3
334 students · 11 km away
Cantrall Intermediate School
Cantrall · Public middle · Grades 4–6
184 students · 11 km away
Riverton Elem School
Riverton · Public elementary · Grades PK–4
515 students · 11 km away
Riverton Middle School
Riverton · Public middle · Grades 5–8
347 students · 12 km away
Wilcox Elem School
Springfield · Public elementary · Grades K–5
241 students · 14 km away
Athens Sr High School
Athens · Public high · Grades 9–12
299 students · 14 km away
Athens Junior High School
Athens · Public middle · Grades 7–8
144 students · 14 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Byron High School 9-12
Byron · Public high · Grades 9–12
464 students
Phillips Academy High School
Chicago · Public high · Grades 9–12
467 students
St Joseph-Ogden High School
Saint Joseph · Public high · Grades 9–12
457 students
Clark Acad Prep Magnet High Schl
Chicago · Public high · Grades 9–12
453 students
Mount Carmel High School
Mount Carmel · Public high · Grades 9–12
452 students
Sherrard High School
Sherrard · Public high · Grades 9–12
449 students
Frequently asked questions
Is Williamsville High School a good school?
Williamsville High School has a Success Index (US) of 61.9 out of 100 (Top 50% of high schools in United States) and ranks #57 of 691 in Illinois. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Williamsville High School rank in Illinois?
Williamsville High School ranks #57 of 691 high schools in Illinois and #5322 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Williamsville High School?
Williamsville High School had 462 students in 2025.
Is Williamsville High School a elementary school or a high school?
Williamsville High School is classified as a high school covering Grades 9–12. It is a public school.
What other schools are near Williamsville High School?
There are 10 schools within 15 km of Williamsville High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.