Winnebago County schools ranked by test score
Latest IAR + ISA year (2024-25). 61 schools in Winnebago County, Illinois with reported English Language Arts scores. Illinois state average: 51.0%.
| Rank | School | Level | English Language Arts | vs state |
|---|---|---|---|---|
| 1 | Thurgood Marshall School Rockford · Rockford SD 205 | Middle | 98.4% | +47.4pp |
| 2 | Thurgood Marshall Elementary Rockford · Rockford SD 205 | Elementary | 98.0% | +47.0pp |
| 3 | Willowbrook Middle School South Beloit · Prairie Hill CCSD 133 | Middle | 86.8% | +35.8pp |
| 4 | Prairie Hill Elem School South Beloit · Prairie Hill CCSD 133 | Elementary | 82.6% | +31.6pp |
| 5 | Shirland C C School Shirland · Shirland CCSD 134 | Elementary | 81.7% | +30.7pp |
| 6 | Stephen Mack Middle School Rockton · Rockton SD 140 | Middle | 77.2% | +26.2pp |
| 7 | Roscoe Middle School Roscoe · Kinnikinnick CCSD 131 | Middle | 69.9% | +18.9pp |
| 8 | Durand Elem School Durand · Durand CUSD 322 | Elementary | 68.2% | +17.2pp |
| 9 | Whitman Post Elem School Rockton · Rockton SD 140 | Elementary | 67.3% | +16.3pp |
| 10 | Kinnikinnick School Roscoe · Kinnikinnick CCSD 131 | Elementary | 67.1% | +16.1pp |
| 11 | Olson Park Elem School Machesney Park · Harlem UD 122 | Elementary | 61.3% | +10.3pp |
| 12 | Haskell Elementary School Rockford · Rockford SD 205 | Elementary | 59.6% | +8.6pp |
| 13 | Brookview Elem School Rockford · Rockford SD 205 | Elementary | 57.5% | +6.5pp |
| 14 | Stone Creek School Roscoe · Kinnikinnick CCSD 131 | Elementary | 56.5% | +5.5pp |
| 15 | Pecatonica Elem School Pecatonica · Pecatonica CUSD 321 | Elementary | 54.9% | +3.9pp |
| 16 | Montessori Elementary School Rockford · Rockford SD 205 | Elementary | 51.8% | +0.8pp |
| 17 | Jean McNair Elementary School Winnebago · Winnebago CUSD 323 | Elementary | 51.6% | +0.6pp |
| 18 | Pecatonica Comm Middle School Pecatonica · Pecatonica CUSD 321 | Middle | 51.3% | +0.3pp |
| 19 | Durand Jr High School Durand · Durand CUSD 322 | Middle | 50.0% | -1.0pp |
| 20 | Winnebago Middle School Winnebago · Winnebago CUSD 323 | Middle | 49.1% | -1.9pp |
| 21 | Ralston Elem School Machesney Park · Harlem UD 122 | Elementary | 45.3% | -5.7pp |
| 22 | Maple Elem School Loves Park · Harlem UD 122 | Elementary | 44.6% | -6.4pp |
| 23 | Cherry Valley Elementary School Rockford · Rockford SD 205 | Elementary | 44.4% | -6.6pp |
| 24 | Harlem Middle School Loves Park · Harlem UD 122 | Middle | 44.2% | -6.8pp |
| 25 | South Beloit Jr High School South Beloit · County of Winnebago SD 320 | Middle | 43.8% | -7.2pp |
| 26 | Barbour Two-Way Lang Immersion Rockford · Rockford SD 205 | Elementary | 42.6% | -8.4pp |
| 27 | Machesney Elem School Machesney Park · Harlem UD 122 | Elementary | 41.6% | -9.4pp |
| 28 | Clifford P Carlson Elem School Rockford · Rockford SD 205 | Elementary | 38.4% | -12.6pp |
| 29 | West View Elem School Rockford · Rockford SD 205 | Elementary | 37.2% | -13.8pp |
| 30 | Riverview Elementary School South Beloit · County of Winnebago SD 320 | Elementary | 36.2% | -14.8pp |
| 31 | Spring Creek Elem School Rockford · Rockford SD 205 | Elementary | 36.2% | -14.8pp |
| 32 | Loves Park Elem School Loves Park · Harlem UD 122 | Elementary | 35.0% | -16.0pp |
| 33 | Eisenhower Middle School Rockford · Rockford SD 205 | Middle | 34.9% | -16.1pp |
| 34 | Maud E Johnson Elem School Rockford · Rockford SD 205 | Elementary | 33.7% | -17.3pp |
| 35 | Swan Hillman Elem School Rockford · Rockford SD 205 | Elementary | 33.5% | -17.5pp |
| 36 | Windsor Elem School Loves Park · Harlem UD 122 | Elementary | 33.5% | -17.5pp |
| 37 | Galapagos Rockford Charter Sch Rockford · Rockford SD 205 | Elementary | 32.2% | -18.8pp |
| 38 | Marquette Elem School Machesney Park · Harlem UD 122 | Elementary | 31.6% | -19.4pp |
| 39 | Legacy Acad of Excellence Charter Rockford · Rockford SD 205 | Elementary | 31.5% | -19.5pp |
| 40 | Arthur Froberg Elem School Rockford · Rockford SD 205 | Elementary | 30.8% | -20.2pp |
| 41 | Whitehead Elem School Rockford · Rockford SD 205 | Elementary | 30.6% | -20.4pp |
| 42 | Rolling Green Rockford · Rockford SD 205 | Elementary | 30.0% | -21.0pp |
| 43 | Bernard W Flinn Middle School Rockford · Rockford SD 205 | Middle | 29.4% | -21.6pp |
| 44 | Gregory Elem School Rockford · Rockford SD 205 | Elementary | 29.1% | -21.9pp |
| 45 | Abraham Lincoln Middle School Rockford · Rockford SD 205 | Middle | 27.4% | -23.6pp |
| 46 | Conklin Elem School Rockford · Rockford SD 205 | Elementary | 24.1% | -26.9pp |
| 47 | McIntosh Elementary Rockford · Rockford SD 205 | Elementary | 24.1% | -26.9pp |
| 48 | C Henry Bloom Elem School Rockford · Rockford SD 205 | Elementary | 22.7% | -28.3pp |
| 49 | West Middle School Rockford · Rockford SD 205 | Middle | 22.2% | -28.8pp |
| 50 | Blackhawk Elementary School South Beloit · County of Winnebago SD 320 | Middle | 21.5% | -29.5pp |
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 English Language Arts 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.