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Mercer County School District 404 Schools
Mercer County School District 404 is a public school district in Illinois, based in Mercer County (Joy). SchoolGrade grades 4 of its schools on actual versus projected test scores; every school below has its own page.
Mercer County School District 404 on the map
District boundary from the NCES EDGE composite school district file. Each marker is a graded school; click it for its grade and scores.
SchoolGrade summary for Mercer County School District 404
4 of 4 schools in Mercer County School District 404 carry a SchoolGrade. Grade distribution:
D: 3F: 1
Best schools in Mercer County School District 404
Statewide rankings: all 688 high schools in Illinois · all 591 middle schools in Illinois · all 2094 elementary schools in Illinois
The ten highest SchoolGrades in the district. Grades reward actual test performance against the projection for each school's student context, so a B in a high-poverty school can outrank an A- elsewhere on impact.
- D Mercer County JR High School (Middle school, meets expectations)
- D- Mercer County High School (High school, meets expectations)
- D- Apollo Elem School (Elementary school, underperforms expectations)
- F New Boston Elem School (Elementary school, underperforms expectations)
Every school in Mercer County School District 404
High schools (1)
- D- Mercer County High School, Aledo
Middle and junior high schools (1)
- D Mercer County JR High School, Aledo
Elementary and primary schools (2)
- D- Apollo Elem School, Aledo
- F New Boston Elem School, New Boston
Where Mercer County School District 404 schools are
Cities and towns served (2)
- Aledo (3)
- New Boston (1)
About this district
- State: Best schools in Illinois
- County: Mercer County
- Type: regular local school district
- Setting: distant rural (NCES locale of the district office)
- Enrollment: 1,265 students with 105 full-time-equivalent teachers and 168 total staff FTE (NCES CCD, 2023-24)
- NCES district ID: 1701395
- Grades are the 2025-26 SchoolGrade model: each school's actual proficiency against the level projected for its student context. How SchoolGrade works
Nearby school districts
- Rockridge CUSD 300 (5 schools, 12 mi)
- Sherrard CUSD 200 (5 schools, 17 mi)
- United CUSD 304 (4 schools, 20 mi)
- Rock Island SD 41 (13 schools, 23 mi)
- Moline-Coal Valley CUSD 40 (14 schools, 27 mi)
- West Central CUSD 235 (4 schools, 27 mi)
- Orion CUSD 223 (3 schools, 27 mi)
- Galesburg CUSD 205 (6 schools, 29 mi)
Questions about Mercer County School District 404
How many schools are in Mercer County School District 404?
SchoolGrade grades 4 public schools in Mercer County School District 404, across 2 cities and towns. Every one of them is listed on this page with a link to its own report.
Which cities does Mercer County School District 404 serve?
The largest by graded schools: Aledo, New Boston.
How good are the schools in Mercer County School District 404?
Across the 4 graded schools, the average SchoolGrade is D-, with 15.8% of tested students meeting the state bar against a projected 22%. 50% of schools meet or exceed the expectation for their student context.
How many students attend Mercer County School District 404?
1,265 students were enrolled in Mercer County School District 404 in the 2023-24 school year, about 12.0 students per full-time teacher (NCES Common Core of Data).
Where is Mercer County School District 404?
Mercer County School District 404 is in Illinois, based in Mercer County, with its district office in Joy. Its boundary covers about 370 sq mi.