Serving 272 students in grades 6-8, Mercer County Jr High School ranks in the top 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 12% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 30-34% (which is approximately equal to the Illinois state average of 30%).
The student:teacher ratio of 11:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 9% of the student body (majority Hispanic and Asian), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Stats (2025)
- Grades: 6-8
- Enrollment: 272 students
- Student:Teacher Ratio: 11:1
- Minority Enrollment: 9%
- Overall Testing Rank: Top 50% in IL
- Math Proficiency: 12% (Btm 50%)
- Reading Proficiency: 30-34% (Top 50%)
- Science Proficiency: 55-59% (Top 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Mercer County Jr High School's student population of 272 students has grown by 36% over five school years.
The teacher population of 24 teachers has grown by 50% over five school years.
Grades Offered
Grades 6-8
Total Students
272 students
Gender %
Total Classroom Teachers
24 teachers
School Calendar
School Rankings
Mercer County Jr High School ranks within the top 50% of all 3,426 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Mercer County Jr High School is 0.17, 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
#1538 out of 3426 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
(22-23)12%
27%
Reading/Language Arts Test Scores (% Proficient)
30-34%
30%
Science Test Scores (% Proficient)
55-59%
50%
Student : Teacher Ratio
11:1
13:1
American Indian
n/a
n/a
Asian
2%
6%
Hispanic
2%
28%
Black
1%
17%
White
91%
45%
Hawaiian
n/a
n/a
Two or more races
4%
4%
All Ethnic Groups
Eligible for Free Lunch
25%
43%
Eligible for Reduced Lunch
6%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Mercer County Jr High School's ranking?
Mercer County Jr High School is ranked #1538 out of 3,426 schools, which ranks it among the top 50% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
12% of students have achieved math proficiency (compared to the 27% IL state average), while 30-34% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Mercer County Jr High School?
272 students attend Mercer County Jr High School.
What is the racial composition of the student body?
91% of Mercer County Jr High School students are White, 4% of students are Two or more races, 2% of students are Asian, 2% of students are Hispanic, and 1% of students are Black.
What is the student:teacher ratio of Mercer County Jr High School?
Mercer County Jr High School has a student ration of 11:1, which is lower than the Illinois state average of 13:1.
What grades does Mercer County Jr High School offer ?
Mercer County Jr High School offers enrollment in grades 6-8
What school district is Mercer County Jr High School part of?
Mercer County Jr High School is part of Mercer County School District 404.
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