C−
Illini Central High School
PublicHighGrades 9–12
208 N West Ave, Mason City, IL 62664 · (217) 482-5180 · Part of Illini Central Community Unit School District 189
Students
172
Students per teacher
8:1
Free or reduced lunch
38%
Setting
Rural
Grades
9–12
What stands out about Illini Central High School
- Math proficiency 21 pts below the state
- Reading / language arts 16 pts below the state
- Small classes: 8:1 students per teacher
- Enrollment down 10.9% since 2020
On the path
Where Sherman kids come from and go next.
6–8Illini Central Middle Schoolin Mason City
9–12Illini Central High SchoolYou are here
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency5%
State average 25.9%
Reading / language arts15%
State average 30.7%
Location
Directions ↗
208 N West Ave, Mason City
Students
Enrollment by grade
Grade 946
Grade 1043
Grade 1143
Grade 1240
Enrollment over time
193’20
188’21
185’22
190’23
172’24
Down 10.9% since 2020.
Who goes here
White 96%Two or more races 2%Hispanic 2%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Illini Central High School.
Other schools in Illini Central Community Unit School District 189
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.