Illini Central CUSD 189 School District

208 N West Ave
Mason City, IL 62664-1066
(District boundaries shown in map)
4/
10
Bottom 50%

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 2026 school year, there is 1 public middle school serving 139 students in Illini Central CUSD 189 School District. This district's average middle testing ranking is 6/10, which is in the top 50% of public middle schools in Illinois.
Public Middle School in Illini Central CUSD 189 School District have an average math proficiency score of 22% (versus the Illinois public middle school average of 24%), and reading proficiency score of 27% (versus the 29% statewide average).
Minority enrollment is 4% of the student body (majority Hispanic), which is less than the Illinois public middle school average of 61% (majority Hispanic).

Overview

This School District
This State (IL)
# Schools
4 Schools
1,610 Schools
# Students
640 Students
622,872 Students
# Teachers
62 Teachers
48,610 Teachers
Student-Teacher Ratio
10:1
10:1

Student By Grade

District Rank

Illini Central CUSD 189 School District, which is ranked within the bottom 50% 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 80-89% has decreased from 85-89% over five school years.
This School District
State Average (IL)
#550 out of 865 school districts
(Bottom 50%)
19%
27%
25%
30%
40-44%
50%
(21-22)
80-89%
87%
(2022-23)
17.4%
29.7%

Students by Ethnicity:

0.11
0.71
% American Indian
n/a
n/a
% Asian
n/a
5%
% Hispanic
3%
31%
% Black
n/a
21%
% White
94%
39%
% Hawaiian
n/a
n/a
% Two or more races
3%
4%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $21,323 in this school district is less than the state median of $22,455. The school district revenue/student has grown by 10% over four school years.
The school district's spending/student of $19,313 is less than the state median of $21,692. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (IL)
Total Revenue
$14 MM
$41,381 MM
Spending
$12 MM
$39,976 MM
Revenue / Student
$21,323
$22,455
Spending / Student
$19,313
$21,692

Best Illini Central CUSD 189 School District Public Middle Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Illini Central Middle School
(Math: 20-24% | Reading: 25-29%)
Rank:
6/
10
Top 50%
208 N West Ave
Mason City, IL 62664
(217) 482-5180
Gr: 6-8 | 139 students Student-teacher ratio: 12:1 Minority enrollment: 4%

Recent Articles

Phone Bans Are Expanding: Will They Actually Help Your Child?
Phone Bans Are Expanding: Will They Actually Help Your Child?
Phone bans are spreading in public schools nationwide. Learn how to evaluate whether a school's cellphone policy will improve your child's learning and well-being.
Should You Move for a Better Public School or Stay Put?
Should You Move for a Better Public School or Stay Put?
Considering a move to a higher-rated public school? Learn how to weigh school quality, housing costs, and family priorities before relocating.
How to Compare Public School Value Beyond Test Scores
How to Compare Public School Value Beyond Test Scores
Learn how to evaluate public school value using student support, school climate, opportunities, and outcomes, not just standardized test scores.

Quick Facts (2026)

  • District size: 4 schools
  • Grades: PK-12
  • Enrollment: 640 students
  • Student-Teacher Ratio: 10:1
  • Minority Enrollment: 6%
  • : 80-89% (Btm 50% in IL)
  • : Bottom 50%
  • : 19% (Btm 50%)
  • : 25% (Btm 50%)
  • : 40-44% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

Quick Links