Williamson County schools ranked by test score
Latest IAR + ISA year (2024-25). 7 schools in Williamson County, Illinois with reported Science scores. Illinois state average: 40.3%.
| Rank | School | Level | Science | vs state |
|---|---|---|---|---|
| 1 | Adams School Creal Springs · Marion CUSD 2 | Elementary | 60.7% | +20.4pp |
| 2 | Crab Orchard Elementary School Marion · Crab Orchard CUSD 3 | Elementary | 54.7% | +14.4pp |
| 3 | Washington Elem School Marion · Marion CUSD 2 | Elementary | 53.4% | +13.1pp |
| 4 | Longfellow Elem School Marion · Marion CUSD 2 | Elementary | 50.0% | +9.7pp |
| 5 | Herrin C U S D 4 Elem School Herrin · Herrin CUSD 4 | Elementary | 44.9% | +4.6pp |
| 6 | Lincoln Elem School Marion · Marion CUSD 2 | Elementary | 44.9% | +4.6pp |
| 7 | Jefferson Elem School Marion · Marion CUSD 2 | Elementary | 41.0% | +0.7pp |
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 Science test (school year 2024-25). Only public schools in Williamson 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.