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 school year, there are 4 public schools serving 668 students in Illini Central CUSD 189 School District. This district's average testing ranking is 3/10, which is in the bottom 50% of public schools in Illinois.
Public Schools in Illini Central CUSD 189 School District have an average math proficiency score of 12% (versus the Illinois public school average of 26%), 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 56% (majority Hispanic).
Overview
This School District
This State (IL)
# Schools
4 Schools
4,399 Schools
# Students
668 Students
1,881,773 Students
# Teachers
60 Teachers
136,664 Teachers
Student : Teacher Ratio
11:1
11:1
District Rank
Illini Central CUSD 189 School District, which is ranked within the bottom 50% of all 844 school districts in Illinois (based off of combined math and reading proficiency testing data) for the 2020-2021 school year.
The school district's graduation rate of 80-89% has decreased from 85-89% over five school years.
Overall District Rank
#642 out of 852 school districts
(Bottom 50%)
(Bottom 50%)

Math Test Scores (% Proficient)
(20-21)11%
28%

Reading/Language Arts Test Scores (% Proficient)
25%
30%

Science Test Scores (% Proficient)
40-44%
50%
Graduation Rate
80-89%
87%

Students by Ethnicity:
Diversity Score
0.10
0.70
# American Indian Students
n/a
4,556 Students
% American Indian Students
n/a
1%
# Asian Students
2 Students
103,630 Students
% Asian Students
n/a
6%
# Hispanic Students
19 Students
517,685 Students
% Hispanic Students
3%
28%
# Black Students
1 Student
303,129 Students
% Black Students
n/a
16%
# White Students
634 Students
837,178 Students
% White Students
95%
45%
# Hawaiian Students
n/a
1,684 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
12 Students
78,057 Students
% of Two or more races Students
2%
4%
Students by Grade:
# Students in PK Grade:
72
79,660
# Students in K Grade:
47
120,716
# Students in 1st Grade:
40
126,380
# Students in 2nd Grade:
42
167,371
# Students in 3rd Grade:
40
130,316
# Students in 4th Grade:
47
130,337
# Students in 5th Grade:
39
129,914
# Students in 6th Grade:
50
132,189
# Students in 7th Grade:
51
135,696
# Students in 8th Grade:
50
137,626
# Students in 9th Grade:
48
149,483
# Students in 10th Grade:
45
150,499
# Students in 11th Grade:
46
146,819
# Students in 12th Grade:
51
144,755
# Ungraded Students:
-
12
District Revenue and Spending
The revenue/student of $20,430 in this school district is less than the state median of $21,990. 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 $21,244. 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
$21,990

Spending / Student
$18,503
$21,244

Best Illini Central CUSD 189 School District Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Illini Central Grade School
Rank:
5/
Bottom 50%10
208 N West Ave
Mason City, IL 62664
(217) 482-5180
Mason City, IL 62664
(217) 482-5180
Grades: K-5
| 255 students
Rank: #22.
Illini Central Middle School
Rank:
4/
Bottom 50%10
208 N West Ave
Mason City, IL 62664
(217) 482-3252
Mason City, IL 62664
(217) 482-3252
Grades: 6-8
| 151 students
Rank: #33.
Illini Central High School
Rank:
4/
Bottom 50%10
208 N West Ave
Mason City, IL 62664
(217) 482-3252
Mason City, IL 62664
(217) 482-3252
Grades: 9-12
| 190 students
Rank: n/an/a
160 E Chestnut St
Mason City, IL 62664
(217) 482-5180
Mason City, IL 62664
(217) 482-5180
Grades: PK
| 72 students
Frequently Asked Questions
How many schools belong to Illini Central CUSD 189 School District?
Illini Central CUSD 189 School District manages 4 public schools serving 668 students.
What is the rank of Illini Central CUSD 189 School District?
Illini Central CUSD 189 School District is ranked #613 out of 844 school districts in Illinois (bottom 50%) based off of combined math and reading proficiency testing data for the 2020-2021 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 CUSD 189 School District?
95% of Illini Central CUSD 189 School District 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 CUSD 189 School District?
Illini Central CUSD 189 School District has a student/teacher ratio of 11:1, which is lower than the Illinois state average of 14:1.
What is Illini Central CUSD 189 School District's spending/student ratio?
The school district's spending/student of $18,503 is less than the state median of $21,244. The school district spending/student has stayed relatively flat over four school years.
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