Illini Central CUSD 189 School District

208 N West Ave
Mason City, IL 62664-1066
(District boundaries shown in map)
3/
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 2025 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 3/10, 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 10% (versus the Illinois public high school average of 28%), 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 85%, which is less than the Illinois average of 87%.
The school with highest graduation rate is Illini Central High School, with 80-89% 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

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.
This School District
State Average (IL)
#642 out of 852 school districts
(Bottom 50%)
This chart displays the overall district rank of Illini Central CUSD 189  School District, with the latest 2021-22 school year data.
(20-21)
11%
28%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Math of Illini Central CUSD 189  School District and the percentage of public school students that scored at or above 'proficient' levels in Math of Illinois by year, with the latest 2020-21 school year data.
25%
30%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Illini Central CUSD 189  School District and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Illinois by year, with the latest 2021-22 school year data.
40-44%
50%
80-89%
87%
This chart displays public school graduation rate of Illini Central CUSD 189  School District and public school graduation rate of Illinois by year, with the latest 2021-22 school year data.

Students by Ethnicity:

0.10
0.69
# American Indian Students
n/a
1,567 Students
% American Indian Students
n/a
n/a
# Asian Students
2 Students
32,853 Students
% Asian Students
n/a
6%
# Hispanic Students
19 Students
175,467 Students
% Hispanic Students
3%
29%
# Black Students
1 Student
98,861 Students
% Black Students
n/a
16%
# White Students
634 Students
273,633 Students
% White Students
95%
45%
# Hawaiian Students
n/a
637 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
12 Students
22,148 Students
% of Two or more races Students
2%
4%

Students by Grade:

# Students in PK Grade:
72
85
# Students in K Grade:
47
405
# Students in 1st Grade:
40
432
# Students in 2nd Grade:
42
440
# Students in 3rd Grade:
40
538
# Students in 4th Grade:
47
557
# Students in 5th Grade:
39
763
# Students in 6th Grade:
50
1,672
# Students in 7th Grade:
51
4,432
# Students in 8th Grade:
50
4,914
# Students in 9th Grade:
48
149,389
# Students in 10th Grade:
45
150,473
# Students in 11th Grade:
46
146,807
# Students in 12th Grade:
51
144,692
# Ungraded Students:
-
-

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.
This School District
This State (IL)
Total Revenue
$14 MM
$41,381 MM
This chart displays total revenue of Illini Central CUSD 189  School District and median value from total revenues of all school districts in Illinois by year, with the latest 2020-21 school year data.
Spending
$12 MM
$39,976 MM
This chart displays total spending of Illini Central CUSD 189  School District and median value from total spendings of all school districts in Illinois by year, with the latest 2020-21 school year data.
Revenue / Student
$20,430
$21,990
This chart displays average revenue per public school student in Illini Central CUSD 189  School District and average revenue per public school student of all school districts in Illinois by year, with the latest 2020-21 school year data.
Spending / Student
$18,503
$21,244
This chart displays average spending per public school student in Illini Central CUSD 189  School District and average spending per public school student of all school districts in Illinois by year, with the latest 2020-21 school year data.

Best Illini Central CUSD 189 School District Public High Schools (2025)

School
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Illini Central High School
Rank:
4/
10
Bottom 50%
208 N West Ave
Mason City, IL 62664
(217) 482-3252
Grades: 9-12
| 190 students

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Quick Stats (2025)

  • District size: 4 schools
  • Grades: PK-12
  • Enrollment: 668 students
  • Student:Teacher Ratio: 11:1
  • Minority Enrollment: 5%
  • : 80-89% (Btm 50% in IL)
  • : Bottom 50%
  • : 11% (Btm 50%)
  • : 25% (Btm 50%)
  • : 40-44% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

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