Top Rankings
Illini Central Community Unit School District 189 ranks among the top 20% of public school district in Illinois for:
Category
Attribute
Student Attention
Lowest student-teacher ratio (Top 1%)
For the 2025-26 school year, there are 4 public schools serving 668 students in Illini Central Community Unit School District 189. This district's average testing ranking is 4/10, which is in the bottom 50% of public schools in Illinois.
Public Schools in Illini Central Community Unit School District 189 have an average math proficiency score of 19% (versus the Illinois public school average of 27%), and reading proficiency score of 25% (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
4 Schools
4,394 Schools
# Students
668 Students
1,845,459 Students
# Teachers
60 Teachers
136,638 Teachers
Student-Teacher Ratio
11:1
11:1
Student By Grade
District Rank
Illini Central Community Unit School District 189, which is ranked within the bottom 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 80-89% has decreased from 85-89% over five school years.
Overall District Rank
#550 out of 865 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
19%
27%
Reading/Language Arts Test Scores (% Proficient)
25%
30%
Science Test Scores (% Proficient)
40-44%
50%
Graduation Rate
(21-22)80-89%
87%
Students by Ethnicity:
Diversity Score
0.10
0.69
% American Indian
n/a
n/a
% Asian
n/a
6%
% Hispanic
3%
28%
% Black
n/a
17%
% 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 $20,430 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 $18,503 is less than the state median of $21,662. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$14 MM
$41,381 MM
Spending
$12 MM
$39,976 MM
Revenue / Student
$20,430
$22,423
Spending / Student
$18,503
$21,662
Best Illini Central Community Unit School District 189 Public Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Illini Central Middle School
(Math: 20-24% | Reading: 25-29%)
Rank:
Rank:
6/
Top 50%10
208 N West Ave
Mason City, IL 62664
(217) 482-3252
Mason City, IL 62664
(217) 482-3252
Gr: 6-8 | 151 students Student-teacher ratio: 13:1 Minority enrollment: 2%
Rank: #22.
Illini Central Grade School
(Math: 15-19% | Reading: 20-24%)
Rank:
Rank:
5/
Bottom 50%10
208 N West Ave
Mason City, IL 62664
(217) 482-5180
Mason City, IL 62664
(217) 482-5180
Gr: K-5 | 255 students Student-teacher ratio: 10:1 Minority enrollment: 5%
Rank: #33.
Illini Central High School
(Math: 11-19% | Reading: 20-29%)
Rank:
Rank:
4/
Bottom 50%10
208 N West Ave
Mason City, IL 62664
(217) 482-3252
Mason City, IL 62664
(217) 482-3252
Gr: 9-12 | 190 students Student-teacher ratio: 10:1 Minority enrollment: 7%
Rank: n/an/a
160 E Chestnut St
Mason City, IL 62664
(217) 482-5180
Mason City, IL 62664
(217) 482-5180
Gr: PK | 72 students Student-teacher ratio: 36:1 Minority enrollment: 4%
Frequently Asked Questions
How many schools belong to Illini Central Community Unit School District 189?
Illini Central Community Unit School District 189 manages 4 public schools serving 668 students.
What is the rank of Illini Central Community Unit School District 189?
Illini Central Community Unit School District 189 is ranked #554 out of 864 school districts in Illinois (bottom 50%) 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: Lowest student-teacher ratio (Top 1%)
What is the racial composition of students in Illini Central Community Unit School District 189?
95% of Illini Central Community Unit School District 189 students are White, 3% of students are Hispanic, and 2% of students are Two or more races.
What is the student/teacher ratio of Illini Central Community Unit School District 189?
Illini Central Community Unit School District 189 has a student/teacher ratio of 11:1, which is lower than the Illinois state average of 14:1.
What is Illini Central Community Unit School District 189's spending/student ratio?
The school district's spending/student of $18,503 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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