Serving 404 students in grades 9-12, Mercer County High School ranks in the bottom 50% of all schools in Illinois for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15-19% (which is lower than the Illinois state average of 28%). The percentage of students achieving proficiency in reading/language arts is 20-24% (which is lower than the Illinois state average of 30%).
The student:teacher ratio of 14:1 is equal to the Illinois state level of 14:1.
Minority enrollment is 8% of the student body (majority Hispanic), which is lower than the Illinois state average of 54% (majority Hispanic).
Quick Stats (2024-25)
- Grades: 9-12
- Enrollment: 404 students
- Student:Teacher Ratio: 14:1
- Minority Enrollment: 8%
- Graduation Rate: 85-89% (Top 50% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 20-24% (Btm 50%)
- Science Proficiency: 55-59% (Top 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Mercer County High School's student population of 404 students has grown by 9% over five school years.
The teacher population of 29 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
404 students
Gender %
Total Classroom Teachers
29 teachers
Students by Grade
School Calendar
School Rankings
Mercer County High School ranks within the bottom 50% of all 3,426 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Mercer County High School is 0.15, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1900 out of 3426 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
(20-21)15-19%
28%
Reading/Language Arts Test Scores (% Proficient)
20-24%
30%
Science Test Scores (% Proficient)
55-59%
50%
Student : Teacher Ratio
14:1
14:1
American Indian
n/a
n/a
Asian
1%
6%
Hispanic
3%
28%
Black
1%
16%
White
92%
46%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
85-89%
87%
Eligible for Free Lunch
25%
43%
Eligible for Reduced Lunch
9%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Mercer County High School's ranking?
Mercer County High School is ranked #1900 out of 3,426 schools, which ranks it among the bottom 50% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 28% IL state average), while 20-24% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Mercer County High School?
The graduation rate of Mercer County High School is 85-89%, which is lower than the Illinois state average of 87%.
How many students attend Mercer County High School?
404 students attend Mercer County High School.
What is the racial composition of the student body?
92% of Mercer County High School students are White, 3% of students are Hispanic, 3% of students are Two or more races, 1% of students are Asian, and 1% of students are Black.
What is the student:teacher ratio of Mercer County High School?
Mercer County High School has a student ration of 14:1, which is equal to the Illinois state average of 14:1.
What grades does Mercer County High School offer ?
Mercer County High School offers enrollment in grades 9-12
What school district is Mercer County High School part of?
Mercer County High School is part of Mercer County School District 404.
School Reviews
3 8/5/2019
Quality of programs is not there. There are some really great teachers and some not good. The school is falling apart and the drive into the school is crazy, unsafe, disrepair, and totally disregarded by BOE and maintenance of building. Lawn is mowed! Parking lot becomes an ice rink and the back drive is a slide all winter if you can stay out of the car eating ruts! Overall school spirit is high and sports following is huge. Academics is bare minimum and the figures are showing students who would show high in any school and not from this district applications yearly!
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