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 2026-27 school year, there is 1 public high school serving 172 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 4% 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
1,037 Schools
# Students
640 Students
599,453 Students
# Teachers
62 Teachers
42,661 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%)

Showing 2014–2023.

19%
27%

Showing 2014–2023.

25%
30%

Showing 2013–2022.

40-44%
50%
(21-22)
80-89%
87%

Showing 2013–2022.

(2022-23)
17.4%
29.7%

Students by Ethnicity:

0.11
0.69

Showing 2014–2023.

% American Indian
n/a
n/a
% Asian
n/a
6%
% Hispanic
3%
29%

Showing 2014–2023.

% Black
n/a
16%

Showing 2002–2011.

% White
94%
45%

Showing 2014–2023.

% Hawaiian
n/a
n/a
% Two or more races
3%
4%

Showing 2014–2023.

All Ethnic Groups

District Revenue and Spending

The revenue/student of $23,195 in this school district is less than the state median of $25,132. The school district revenue/student has grown by 14% over four school years.
The school district's spending/student of $20,759 is less than the state median of $24,168. The school district spending/student has grown by 11% over four school years.
This School District
This State (IL)
Total Revenue
$15 MM
$46,284 MM

Showing 2014–2023.

Spending
$13 MM
$44,509 MM

Showing 2014–2023.

Revenue / Student
$23,195
$25,132

Showing 2014–2023.

Spending / Student
$20,759
$24,168

Showing 2014–2023.

Best Illini Central CUSD 189 School District Public High Schools (2026-27)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Illini Central High School
(Math: 11-19% | Reading: 20-29%)
Rank:
4/
10
Bottom 50%
208 N West Ave
Mason City, IL 62664
(217) 482-5180
Gr: 9-12 | 172 students Student-teacher ratio: 8:1 Minority enrollment: 4%

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Quick Facts (26-27)

  • 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

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