Mercer County schools ranked by test score
Latest IAR + ISA year (2024-25). 6 schools in Mercer County, Illinois with reported Mathematics scores. Illinois state average: 37.9%.
| Rank | School | Level | Mathematics | vs state |
|---|---|---|---|---|
| 1 | Sherrard Elementary School Sherrard · Sherrard CUSD 200 | Elementary | 44.0% | +6.1pp |
| 2 | Winola Elementary School Viola · Sherrard CUSD 200 | Elementary | 43.5% | +5.6pp |
| 3 | Apollo Elem School Aledo · Mercer County School District 404 | Elementary | 33.2% | -4.7pp |
| 4 | New Boston Elem School New Boston · Mercer County School District 404 | Elementary | 32.1% | -5.8pp |
| 5 | Matherville Intermediate School Matherville · Sherrard CUSD 200 | Middle | 28.4% | -9.5pp |
| 6 | Mercer County Jr High School Aledo · Mercer County School District 404 | Middle | 16.9% | -21.0pp |
About this ranking
Schools are ranked by the percentage of students who scored at or above the IAR + ISA % Proficient (Levels 4-5) threshold on the latest available IAR + ISA Mathematics test (school year 2024-25). Only public schools in Mercer County, Illinois with a reasonable cohort size are shown. A higher percentage is better.
The comparison column shows the gap to the Illinois statewide enrollment-weighted average. To compare against neighboring counties, use the full Illinois ranking.