Illini Central High School
Public
High Grades 9–12
Part of Illini Central CUSD 189
208 N West Ave, Mason City, IL 62664 · (217) 482-5180
Community ratings
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Academic performance
Math proficiency5%
State average 25.9%
Reading / language arts15%
State average 30.7%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
172Students enrolled
8:1Student–teacher ratio
38%Free / reduced lunch
RuralSetting
Regular SchoolSchool type
Enrollment by grade
Grade 946
Grade 1043
Grade 1143
Grade 1240
Students
White · 96%165
Two or more races · 2%4
Hispanic · 2%3
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
193’20
188’21
185’22
190’23
172’24
Location
208 N West Ave Mason City
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.