Mercer County High School (Mercer County School District 404 SCH DIST.), Illinois - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

Mercer County High School is a High in Aledo, IL. It currently serves 401 students (grades 09-12). The school is part of the Mercer County School District 404 School District.

Below, we provide details about the school including the population per grade, the racial demography of the student population, the racial demography of the student population per gender/sex, and the racial demography per grade level.

You can see similar information for other schools in Mercer County School District 404 School District and all schools in Illinois.

Other Details

School Type: Regular School
School Level: High
Number of Students:401
Number of Teachers: 31
Student/Teacher Ratio: 12.98

Location Info

Location: 1500 S College Ave, Aledo, IL 61231
Mailing Address: 1500 S College Ave, Aledo, IL 61231-2513
Phone: (309)582-2223
Data Source: NCES.
Student Population Per Grade
Items per page:
0 of 0
Grade Population
Grade 10 99
Grade 11 107
Grade 12 86
Grade 9 109
Gender/Sex of Mercer County High School Student Population
Items per page:
0 of 0
Gender Population Percent of Population (%)
Male 200 49.88
Female 201 50.13
Race/Ethnicity Demography of Mercer County High School Student Population
Items per page:
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.25
Black or African American 2 0.50
Hispanic/Latino 15 3.74
Two or more races 12 2.99
White 371 92.52
Male - Race/Ethnicity Demography of Student Population
Items per page:
0 of 0
Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.50
Black or African American 1 0.50
Hispanic/Latino 8 4.00
Two or more races 5 2.50
White 185 92.50
Female - Race/Ethnicity Demography of Student Population
Items per page:
0 of 0
Race/Ethnicity Population Percent of Population (%)
Black or African American 1 0.50
Hispanic/Latino 7 3.48
Two or more races 7 3.48
White 186 92.54

Race Demography Per Grade

The tables below shows the Race/Ethnicity of the student population per grade.
Grade 10 - Race/Ethnicity of Both Genders
Items per page:
0 of 0
Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 1.01
Hispanic/Latino 2 2.02
Two or more races 4 4.04
White 92 92.93
Grade 11 - Race/Ethnicity of Both Genders
Items per page:
0 of 0
Race/Ethnicity Population Percent of Population (%)
Black or African American 1 0.94
Hispanic/Latino 6 5.61
Two or more races 5 4.67
White 95 88.79
Grade 12 - Race/Ethnicity of Both Genders
Items per page:
0 of 0
Race/Ethnicity Population Percent of Population (%)
Hispanic/Latino 4 4.65
Two or more races 1 1.16
White 81 94.19
Grade 9 - Race/Ethnicity of Both Genders
Items per page:
0 of 0
Race/Ethnicity Population Percent of Population (%)
Black or African American 1 0.92
Hispanic/Latino 3 2.75
Two or more races 2 1.84
White 103 94.50