SchoolRow
#584

Mercer County Jr High School

Aledo, IL · Mercer County School District 404 · Grades 6 - 8

584th of 685 Illinois middle schools statewide · better than 15% Declining

272
Students
2023–24 enrollment
11.8:1
Student / teacher ratio
49%
Free / reduced-price lunch
low-income indicator
29.4%
Chronically absent
IL average 25%

Mercer County Jr High School ranking

SchoolRow ranks Mercer County Jr High School 584th of 685 Illinois middle schools for 2024–25, based on Illinois Report Card 2024–25 English and Math results — better than 15% of middle schools statewide. Its statewide percentile went from 36th in 2019 to 15th in 2025 — declining.

Statewide percentile by year
25%50%75%15%201920202025no testing 2020–21

Mercer County Jr High School test scores

Percent meeting or exceeding the state standard, Illinois Report Card 2024–25

English Language Arts
This school
35%
IL average
52%
Math
This school
17%
IL average
38%
Science
This school
51%
IL average
45%
English Language Arts over time this school IL average
25%50%75%35%52%201920202025no testing 2020–21
Math over time this school IL average
25%50%75%17%38%201920202025no testing 2020–21

Mercer County Jr High School students

Racial and ethnic breakdown of 272 students (202324, NCES) — and how it has shifted since 2013

White91%
Hover the pie for details
White 91%96%20132023
GroupTrend20132023Change
White95.6%90.8% 4.8 pts
Two or more races2.4%4.0% 1.6 pts
Hispanic1.0%1.8% 0.8 pts
Asian0.5%1.8% 1.3 pts
Black0.5%1.5% 1.0 pts

Homes near Mercer County Jr High School

Typical home value $169K in zip 61231 as of 2026-05 · trend since 2012

$44K$87K$131K$175K$158K2012201520202025

Data Provided by Zillow Group

See recently sold homes in 61231 on Zillow →

Middle schools near Mercer County Jr High School

Closest same-level schools, with 2024–25 state rank

View on the map →

Frequently asked questions

What school district is Mercer County Jr High School in?

Mercer County Jr High School is part of the Mercer County School District 404 district in Aledo, Illinois.

Is Mercer County Jr High School a good school?

SchoolRow ranks Mercer County Jr High School 584th of 685 Illinois middle schools (better than 15% statewide) based on 2024–25 test results (Illinois Report Card 2024–25).

What is the racial makeup of Mercer County Jr High School?

White 91%, Two or more races 4%, Hispanic 2%, Asian 2% (272 students, 2023–24).

How much do homes near Mercer County Jr High School cost?

The typical home value in zip code 61231 is $169K as of 2026-05 (Zillow ZHVI).

Sources: state education department data (Illinois Report Card 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.