Top Rankings
Illini Central CUSD 189 School District 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 is 1 public high school serving 190 students in Illini Central CUSD 189 School District. This district's average high testing ranking is 4/10, which is in the bottom 50% of public high schools in Illinois.
Public High School in Illini Central CUSD 189 School District have an average math proficiency score of 15% (versus the Illinois public high school average of 26%), and reading proficiency score of 25% (versus the 29% statewide average).
Public High School in Illini Central CUSD 189 School District have a Graduation Rate of 90%, which is more than the Illinois average of 87%.
The school with highest graduation rate is Illini Central High School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.
Minority enrollment is 7% of the student body (majority Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).
Overview
This School District
This State (IL)
# Schools
4 Schools
1,032 Schools
# Students
668 Students
605,599 Students
# Teachers
60 Teachers
42,722 Teachers
Student-Teacher Ratio
11:1
11:1
Student By Grade
District Rank
Illini Central CUSD 189 School District, 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%
29%
% Black
n/a
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 $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 CUSD 189 School District Public High Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
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%
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