Illini Central High School

208 N West Ave
Mason City, IL 62664
(School attendance zone shown in map)
: 
4/
10
Bottom 50%
Serving 172 students in grades 9-12, Illini Central High School ranks in the bottom 50% of all schools in Illinois for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 11-19% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 20-29% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 8:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 4% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).

Quick Facts (26-27)

  • Grades: 9-12
  • Enrollment: 172 students
  • Student-Teacher Ratio: 8:1
  • Minority Enrollment: 4%
  • : ≥90% (Top 50% in IL)
  • : Bottom 50%
  • : 11-19% (Btm 50%)
  • : 20-29% (Btm 50%)
  • : 50-59% (Top 50%)
  • : Illini Central High School's attendance zone covers the entire school district in Mason City, IL, encompassing approximately 270.6 square miles. Families typically have a 15-20 minute drive to the school, with an average distance of 8.7 miles to the zone's edge and a maximum distance of 14.6 miles.
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

Top Rankings

Illini Central High School ranks among the top 20% of public schools in Illinois for:

Category
Attribute
Most improved public schools

School Overview

Illini Central High School's student population of 172 students has declined by 10% over five school years.
The teacher population of 21 teachers has grown by 16% over five school years.
Grades Offered
Grades 9-12
Total Students
172 students

Showing 2016–2025. Full 36-year historical data available below ↓

Total Classroom Teachers
21 teachers

Showing 2015–2025. Full 36-year historical data available below ↓

School Calendar
School Motto
A Great Place To Learn

School Rankings

Illini Central High School ranks within the bottom 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Illini Central High School is 0.08, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
This School
State Level (IL)
#2146 out of 3542 schools
(Bottom 50%)

Showing 2012–2023. Full 14-year historical data available below ↓

11-19%
27%

Showing 2011–2023. Full 14-year historical data available below ↓

20-29%
30%

Showing 2011–2022. Full 13-year historical data available below ↓

50-59%
50%
Student-Teacher Ratio
8:1
13:1

Showing 2015–2025. Full 36-year historical data available below ↓

Hispanic
2%
29%

Showing 2015–2025. Full 35-year historical data available below ↓

White
96%
45%

Showing 2016–2025. Full 36-year historical data available below ↓

Two or more races
2%
4%

Showing 2016–2025. Full 14-year historical data available below ↓

All Ethnic Groups
4%
0.08

Showing 2016–2025. Full 36-year historical data available below ↓

≥90%
87.6%
(22-23)
22.7%
29.7%
Eligible for Free Lunch
66%
43%

Showing 2015–2025. Full 24-year historical data available below ↓

Eligible for Reduced Lunch (13-14)
5%
3%

Showing 2004–2014. Full 13-year historical data available below ↓

School Statewide Testing
Source: National Center for Education Statistics (NCES), IL Dept. of Education

Frequently Asked Questions

What is Illini Central High School's ranking?
Illini Central High School is ranked #2146 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
11-19% of students have achieved math proficiency (compared to the 27% IL state average), while 20-29% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Illini Central High School?
The graduation rate of Illini Central High School is 90%, which is higher than the Illinois state average of 87.6%.
How many students attend Illini Central High School?
172 students attend Illini Central High School.
What is the racial composition of the student body?
96% of Illini Central High School students are White, 2% of students are Hispanic, and 2% of students are Two or more races.
What is the student-teacher ratio of Illini Central High School?
Illini Central High School has a student ration of 8:1, which is lower than the Illinois state average of 13:1.
What grades does Illini Central High School offer ?
Illini Central High School offers enrollment in grades 9-12
What school district is Illini Central High School part of?
Illini Central High School is part of Illini Central CUSD 189 School District.

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Quick Facts (26-27)

  • Grades: 9-12
  • Enrollment: 172 students
  • Student-Teacher Ratio: 8:1
  • Minority Enrollment: 4%
  • : ≥90% (Top 50%)
  • : Bottom 50%
  • : 11-19% (Btm 50%)
  • : 20-29% (Btm 50%)
  • : 50-59% (Top 50%)
  • : Illini Central High School's attendance zone covers the entire school district in Mason City, IL, encompassing approximately 270.6 square miles. Families typically have a 15-20 minute drive to the school, with an average distance of 8.7 miles to the zone's edge and a maximum distance of 14.6 miles.
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

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