Community Unit School District 4

453 W Collins St
Mendon, IL 62351-1304
(District boundaries shown in map)
6/
10
Top 50%
For the 2025-26 school year, there are 3 public schools serving 669 students in Community Unit School District 4. This district's average testing ranking is 6/10, which is in the top 50% of public schools in Illinois.
Public Schools in Community Unit School District 4 have an average math proficiency score of 30% (versus the Illinois public school average of 27%), and reading proficiency score of 28% (versus the 30% statewide average).
Minority enrollment is 4% 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
669 Students
1,845,459 Students
# Teachers
55 Teachers
136,638 Teachers
Student-Teacher Ratio
12:1
12:1

Student By Grade

District Rank

Community Unit School District 4, which is ranked within the top 50% of all 864 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 90% has stayed relatively flat over five school years.
This School District
State Average (IL)
#361 out of 865 school districts
(Top 50%)
30%
27%
28%
30%
35-39%
50%
(21-22)
≥90%
87%

Students by Ethnicity:

0.08
0.69
% American Indian
n/a
n/a
% Asian
n/a
6%
% Hispanic
2%
28%
% Black
1%
17%
% White
96%
45%
% Hawaiian
n/a
n/a
% Two or more races
1%
4%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $15,839 in this school district is less than the state median of $22,423. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $18,033 is less than the state median of $21,662. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (IL)
Total Revenue
$11 MM
$41,381 MM
Spending
$12 MM
$39,976 MM
Revenue / Student
$15,839
$22,423
Spending / Student
$18,033
$21,662

Best Community Unit School District 4 Public Schools (2025-26)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Unity Elementary School
(Math: 45-49% | Reading: 25-29%)
Rank:
8/
10
Top 30%
136 W Washington St
Mendon, IL 62351
(217) 936-2512
Gr: PK-4 | 295 students Student-teacher ratio: 13:1 Minority enrollment: 3%
Rank: #22.
Unity Middle School
(Math: 20-24% | Reading: 31%)
Rank:
6/
10
Top 50%
453 W Collins St
Mendon, IL 62351
(217) 936-2727
Gr: 5-8 | 194 students Student-teacher ratio: 12:1 Minority enrollment: 4%
Rank: #33.
Unity High School
(Math: 20-29% | Reading: 11-19%)
Rank:
4/
10
Bottom 50%
453 W Collins St
Mendon, IL 62351
(217) 936-2116
Gr: 9-12 | 180 students Student-teacher ratio: 11:1 Minority enrollment: 6%

Frequently Asked Questions

How many schools belong to Community Unit School District 4?
Community Unit School District 4 manages 3 public schools serving 669 students.
What is the rank of Community Unit School District 4?
Community Unit School District 4 is ranked #368 out of 864 school districts in Illinois (top 50%) based off of combined math and reading proficiency testing data for the 2022-2023 school year.
What is the racial composition of students in Community Unit School District 4?
96% of Community Unit School District 4 students are White, 2% of students are Hispanic, 1% of students are Black, and 1% of students are Two or more races.
What is the student/teacher ratio of Community Unit School District 4?
Community Unit School District 4 has a student/teacher ratio of 12:1, which is lower than the Illinois state average of 14:1.
What is Community Unit School District 4's spending/student ratio?
The school district's spending/student of $18,033 is less than the state median of $21,662. The school district spending/student has stayed relatively flat over four school years.

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Quick Facts (2025-26)

  • District size: 3 schools
  • Grades: PK-12
  • Enrollment: 669 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 4%
  • : ≥90% (Btm 50% in IL)
  • : Top 50%
  • : 30% (Top 50%)
  • : 28% (Top 50%)
  • : 35-39% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

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