Mercer County High School
Public
High Grades 9–12 C+School Grade
Part of Mercer County School District 404
1500 S College Ave, Aledo, IL 61231 · (309) 582-2223
Community ratings
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Academic performance
Math proficiency17%
State average 25.9%
Reading / language arts22%
State average 30.7%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
411Students enrolled
13:1Student–teacher ratio
42%Free / reduced lunch
RuralSetting
Regular SchoolSchool type
Enrollment by grade
Grade 9106
Grade 10103
Grade 1197
Grade 12105
Students
White · 93%382
Two or more races · 3%13
Hispanic · 2%9
Black · 1%4
Asian · 0%2
American Indian/Alaska Native · 0%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
390’20
393’21
404’22
401’23
411’24
Location
1500 S College Ave Aledo
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.