Below Average
#2962 of 3,813 schools in IL
Mercer County High School
High School · Mercer County School District 404
1500 S College Ave, Aledo, IL 61231
Enrollment
401
Student-Teacher
13.4:1
Score
4.9
Grades
9th – 12th
Enrollment
401
Student-Teacher
13.4:1
Score
4.9
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Illinois schools
#2,962 of 3,813
In Aledo
#2 of 3
public schools
In district
#2 of 4
Mercer County School District 404
Academic growth
9.0 / 10
Excellent
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Mercer County High School
High School in Aledo · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Apollo Elem School
0.6 mi away. Use as a geographic alternative in the same move search.
Mercer County JR High School
0.7 mi away. Use as a geographic alternative in the same move search.
About Mercer County High School
Mercer County High School is a public high school in Aledo, IL, part of Mercer County School District 404. Mercer County High School serves approximately 401 students, and covers grades 9th-12th, and has a 13.4:1 student-teacher ratio. Mercer County High School has a current MySchoolScout rating of 4.9 out of 10 and ranks #2,962 of 3,813 schools in IL.
Structured state assessment records for Mercer County High School show 35% math proficiency (multi-year average, 2009-2021) and 41% reading/ELA proficiency (multi-year average, 2009-2022).
- This school 4.9 · Below Average
- IL avg 6.6
What Parents Should Know
Mercer County High School sits in a rural area, which can mean longer drives for some families. Rural schools are often community anchors with smaller classes, but check transportation, after-school options, and access to specialized services before you commit.
43% of students at Mercer County High School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
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Mercer County High School — Students at Mercer County High School score 20% proficient, which is below what's typical for similar communities (expected: 31%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
40.1%
Students qualifying for federal meal assistance
Test Scores IL EDFACTS (2021-22)
Based on 27 test records from IL state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.0/10.
How Mercer County High School Compares
See how Mercer County High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
1500 S College Ave, Aledo, IL 61231
Nearby Alternatives
Families considering Mercer County High School may also want to explore other high schools in the area. Rockridge High School (rated 7.0/10, 13.6 miles away, in nearby Taylor Ridge), which scores notably higher. Additionally, Sherrard High School (rated 5.9/10, 15.7 miles away, in nearby Sherrard), which scores slightly higher. For more schools in Aledo, see our Aledo schools guide .
Nearby Schools
20 within 18.3 mi| School | Distance | Rating |
|---|---|---|
| Apollo Elem School Aledo | 0.6 mi | 4.1 |
| Mercer County Jr High School Aledo | 0.7 mi | 5.5 |
| L' ABRIS ACADEMY Aledo | 0.9 mi | — |
| Mercer County ELC Joy | 6.8 mi | — |
| Matherville Intermediate School Matherville | 9.1 mi | 5.7 |
| Winola Elementary School Viola | 8.9 mi | 4.4 |
| Rockridge High School Taylor Ridge | 13.6 mi | 7.0 |
| Rockridge Jr High School Taylor Ridge | 13.6 mi | 3.9 |
| Taylor Ridge Elem School Taylor Ridge | 14.3 mi | 8.4 |
| United Elem Sch - North Alexis | 13.1 mi | 6.0 |
| New Boston Elem School New Boston | 12.7 mi | 4.7 |
| United Jr High Sch Monmouth | 17.0 mi | 4.2 |
| United Elem Sch - West Monmouth | 17.1 mi | 4.6 |
| Andalusia Elem School Andalusia | 17.3 mi | 4.9 |
| Illinois City Elem School Illinois City | 16.5 mi | 6.6 |
| Sherrard High School Sherrard | 15.7 mi | 5.9 |
| Sherrard Jr High School Sherrard | 15.7 mi | 7.0 |
| Buffalo Elementary School Buffalo | 18.9 mi | 6.5 |
| Sherrard Elementary School Sherrard | 15.7 mi | 6.3 |
| Ridgewood Elem School Rock Island | 18.3 mi | 5.8 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 61231 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$66,389
Median Home Value
$141,200
Median Rent
$772/mo
Population
4,958
College Educated
22.1%
Homeownership
70.2%
Avg Commute
21.4 min
Poverty Rate
10%
Median Age
42.6
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Anna-Jonesboro High School Anna, IL | 4.9 |
| Argenta-Oreana High School Argenta, IL | 4.9 |
| Dupo High School Dupo, IL | 4.9 |
| Gage Park High School Chicago, IL | 4.9 |
| Julian High School Chicago, IL | 4.9 |
| North Lawndale Prep Chtr-Collins Chicago, IL | 4.9 |
Frequently Asked Questions
Common questions about Mercer County High School
What grades does Mercer County High School serve?
Mercer County High School serves students in grades 9th through 12th.
How many students attend Mercer County High School?
Mercer County High School has an enrollment of approximately 401 students.
What is the student-teacher ratio at Mercer County High School?
The student-teacher ratio at Mercer County High School is 13.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mercer County High School rank in IL?
Mercer County High School ranks #2,962 of 3,813 schools in IL.
What is Mercer County High School's MySchoolScout rating?
Mercer County High School has a current MySchoolScout rating of 4.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Mercer County High School?
Based on loaded state assessment records, Mercer County High School has 35% math proficiency (multi-year average, 2009-2021) and 41% reading/ELA proficiency (multi-year average, 2009-2022).
Is Mercer County High School a charter school?
No, Mercer County High School is not a charter school. It is a traditional public school operated by the local school district.
Is Mercer County High School a Title I school?
No, Mercer County High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mercer County High School?
40.1% of students at Mercer County High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 401
- Student-Teacher Ratio
- 13.4:1
- Teachers (FTE)
- 30
- Free/Reduced Lunch
- 40.1%
- Type
- regular
- Setting
- Distant Rural
- County
- Mercer County
- Chronic Absenteeism (SY 2022-23)
- 43.1%
- Phone
- (309) 582-2223
Resources & Links
District
Mercer County School District 404- District Enrollment
- 1,265
- Schools in District
- 5
- Per-Pupil Spending
- $15,828
- District Rank
- #2 of 4
Other Schools in This District
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