Winnebago County schools ranked by test score
Latest IAR + ISA year (2024-25). 16 schools in Winnebago County, Illinois with reported Science scores. Illinois state average: 40.3%.
| Rank | School | Level | Science | vs state |
|---|---|---|---|---|
| 1 | Thurgood Marshall School Rockford · Rockford SD 205 | Middle | 96.8% | +56.5pp |
| 2 | Roscoe Middle School Roscoe · Kinnikinnick CCSD 131 | Middle | 64.0% | +23.7pp |
| 3 | Stephen Mack Middle School Rockton · Rockton SD 140 | Middle | 59.7% | +19.4pp |
| 4 | Willowbrook Middle School South Beloit · Prairie Hill CCSD 133 | Middle | 59.2% | +18.9pp |
| 5 | Winnebago Middle School Winnebago · Winnebago CUSD 323 | Middle | 51.5% | +11.2pp |
| 6 | Durand Jr High School Durand · Durand CUSD 322 | Middle | 50.0% | +9.7pp |
| 7 | Pecatonica Comm Middle School Pecatonica · Pecatonica CUSD 321 | Middle | 48.6% | +8.3pp |
| 8 | Harlem Middle School Loves Park · Harlem UD 122 | Middle | 36.8% | -3.5pp |
| 9 | South Beloit Jr High School South Beloit · County of Winnebago SD 320 | Middle | 30.6% | -9.7pp |
| 10 | Bernard W Flinn Middle School Rockford · Rockford SD 205 | Middle | 25.5% | -14.8pp |
| 11 | Eisenhower Middle School Rockford · Rockford SD 205 | Middle | 25.1% | -15.2pp |
| 12 | West Middle School Rockford · Rockford SD 205 | Middle | 19.3% | -21.0pp |
| 13 | Blackhawk Elementary School South Beloit · County of Winnebago SD 320 | Middle | 14.9% | -25.4pp |
| 14 | Rockford Envrnmntl Science Acad Rockford · Rockford SD 205 | Middle | 13.6% | -26.7pp |
| 15 | Abraham Lincoln Middle School Rockford · Rockford SD 205 | Middle | 10.2% | -30.1pp |
| 16 | Kennedy Middle School Rockford · Rockford SD 205 | Middle | 6.7% | -33.6pp |
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 Winnebago 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.