For the 2025-26 school year, there is 1 public high school serving 401 students in Mercer County School District 404. This district's average high testing ranking is 5/10, which is in the bottom 50% of public high schools in Illinois.
Public High School in Mercer County School District 404 have an average math proficiency score of 17% (versus the Illinois public high school average of 26%), and reading proficiency score of 22% (versus the 29% statewide average).
Public High School in Mercer County School District 404 have a Graduation Rate of 82%, which is less than the Illinois average of 87%.
The school with highest graduation rate is Mercer County High School, with 80-84% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.
Minority enrollment is 7% of the student body (majority Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).
Overview
This School District
This State (IL)
# Schools
6 Schools
1,030 Schools
# Students
1,451 Students
605,599 Students
# Teachers
123 Teachers
42,717 Teachers
Student-Teacher Ratio
12:1
12:1
Student By Grade
District Rank
Mercer County School District 404, which is ranked within the bottom 50% of all 864 school districts in Illinois (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 82% has decreased from 85-89% over five school years.
Overall District Rank
#597 out of 865 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
13%
27%
Reading/Language Arts Test Scores (% Proficient)
27%
30%
Science Test Scores (% Proficient)
53%
50%
Graduation Rate
82%
87%
Students by Ethnicity:
Diversity Score
0.16
0.69
% American Indian
n/a
n/a
% Asian
1%
6%
% Hispanic
2%
29%
% Black
2%
16%
% White
92%
45%
% Hawaiian
n/a
n/a
% Two or more races
3%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $15,073 in this school district is less than the state median of $21,990. The school district revenue/student has declined by 11% over four school years.
The school district's spending/student of $14,169 is less than the state median of $21,244. The school district spending/student has declined by 11% over four school years.
Total Revenue
$22 MM
$41,381 MM
Spending
$21 MM
$39,976 MM
Revenue / Student
$15,073
$21,990
Spending / Student
$14,169
$21,244
Best Mercer County School District 404 Public High Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Mercer County High School
(Math: 15-19% | Reading: 20-24%)
Rank:
Rank:
5/
Bottom 50%10
1500 S College Ave
Aledo, IL 61231
(309) 582-2223
Aledo, IL 61231
(309) 582-2223
Gr: 9-12 | 401 students Student-teacher ratio: 13:1 Minority enrollment: 7%
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