Top Rankings
Williamsville CUSD 15 School District ranks among the top 20% of public school district in Illinois for:
Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Math Proficiency
Highest math proficiency (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Science Proficiency
Highest science proficiency (Top 20%)
For the 2026 school year, there are 3 public schools serving 1,458 students in Williamsville CUSD 15 School District. This district's average testing ranking is 9/10, which is in the top 20% of public schools in Illinois.
Public Schools in Williamsville CUSD 15 School District have an average math proficiency score of 40% (versus the Illinois public school average of 27%), and reading proficiency score of 51% (versus the 30% statewide average).
Minority enrollment is 5% of the student body (majority Hispanic), which is less than the Illinois public school average of 55% (majority Hispanic).
Overview
This School District
This State (IL)
# Schools
3 Schools
4,394 Schools
# Students
1,458 Students
1,842,872 Students
# Teachers
100 Teachers
137,935 Teachers
Student-Teacher Ratio
15:1
15:1
Student By Grade
District Rank
Williamsville CUSD 15 School District, which is ranked within the top 20% of all 861 school districts in Illinois (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 95% has stayed relatively flat over five school years.
Overall District Rank
#111 out of 865 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
40%
27%
Reading/Language Arts Test Scores (% Proficient)
51%
30%
Science Test Scores (% Proficient)
68%
50%
Graduation Rate
(21-22)≥95%
87%
Students by Ethnicity:
Diversity Score
0.10
0.69
% American Indian
n/a
n/a
% Asian
1%
6%
% Hispanic
1%
29%
% Black
1%
16%
% White
95%
45%
% Hawaiian
n/a
n/a
% Two or more races
2%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $17,257 in this school district is less than the state median of $22,455. The school district revenue/student has grown by 27% over four school years.
The school district's spending/student of $18,511 is less than the state median of $21,692. The school district spending/student has grown by 29% over four school years.
Total Revenue
$25 MM
$41,381 MM
Spending
$27 MM
$39,976 MM
Revenue / Student
$17,257
$22,455
Spending / Student
$18,511
$21,692
Best Williamsville CUSD 15 School District Public Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sherman Elementary School
(Math: 55-59% | Reading: 56%)
Rank:
Rank:
10/
Top 10%10
312 South St
Sherman, IL 62684
(217) 496-2021
Sherman, IL 62684
(217) 496-2021
Gr: PK-4 | 552 students Student-teacher ratio: 15:1 Minority enrollment: 1%
Rank: #22.
Williamsville Jr High School
(Math: 36% | Reading: 52%)
Rank:
Rank:
9/
Top 20%10
500 S Walnut St
Williamsville, IL 62693
(217) 566-3600
Williamsville, IL 62693
(217) 566-3600
Gr: 5-8 | 444 students Student-teacher ratio: 14:1 Minority enrollment: 7%
Rank: #33.
Williamsville High School
(Math: 25-29% | Reading: 35-39%)
Rank:
Rank:
7/
Top 50%10
900 S Walnut St
Williamsville, IL 62693
(217) 566-3361
Williamsville, IL 62693
(217) 566-3361
Gr: 9-12 | 462 students Student-teacher ratio: 14:1 Minority enrollment: 8%
Frequently Asked Questions
How many schools belong to Williamsville CUSD 15 School District?
Williamsville CUSD 15 School District manages 3 public schools serving 1,458 students.
What is the rank of Williamsville CUSD 15 School District?
Williamsville CUSD 15 School District is ranked #114 out of 861 school districts in Illinois (top 20%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Illinois school districts for: Highest overall rank (Top 20%), Highest math proficiency (Top 20%), Highest reading/language arts proficiency (Top 20%) and Highest science proficiency (Top 20%)
What is the racial composition of students in Williamsville CUSD 15 School District?
95% of Williamsville CUSD 15 School District students are White, 2% of students are Two or more races, 1% of students are Asian, 1% of students are Hispanic, and 1% of students are Black.
What is the student/teacher ratio of Williamsville CUSD 15 School District?
Williamsville CUSD 15 School District has a student/teacher ratio of 15:1, which is higher than the Illinois state average of 14:1.
What is Williamsville CUSD 15 School District's spending/student ratio?
The school district's spending/student of $18,511 is less than the state median of $21,692. The school district spending/student has grown by 29% over four school years.
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