DeKalb County schools ranked by test score
Latest IAR + ISA year (2024-25). 30 schools in DeKalb County, Illinois with reported Mathematics scores. Illinois state average: 37.9%.
| Rank | School | Level | Mathematics | vs state |
|---|---|---|---|---|
| 1 | Lynn G Haskin Elementary School Sandwich · Sandwich CUSD 430 | Elementary | 82.9% | +45.0pp |
| 2 | Prairie View Elem School Sandwich · Sandwich CUSD 430 | Elementary | 68.9% | +31.0pp |
| 3 | Somonauk Middle School Somonauk · Somonauk CUSD 432 | Middle | 66.5% | +28.6pp |
| 4 | Indian Creek Elementary School Shabbona · Indian Creek CUSD 425 | Elementary | 61.3% | +23.4pp |
| 5 | North Grove Elementary School Sycamore · Sycamore CUSD 427 | Elementary | 60.3% | +22.4pp |
| 6 | W W Woodbury Elem School Sandwich · Sandwich CUSD 430 | Elementary | 58.7% | +20.8pp |
| 7 | Southeast Elem School Sycamore · Sycamore CUSD 427 | Elementary | 55.1% | +17.2pp |
| 8 | Hinckley-Big Rock Elem Sch Hinckley · Hinckley Big Rock CUSD 429 | Elementary | 52.0% | +14.1pp |
| 9 | North Elementary School Sycamore · Sycamore CUSD 427 | Elementary | 51.0% | +13.1pp |
| 10 | Jefferson Elem School Dekalb · DeKalb CUSD 428 | Elementary | 49.7% | +11.8pp |
| 11 | Herman E Dummer Sandwich · Sandwich CUSD 430 | Elementary | 48.7% | +10.8pp |
| 12 | South Prairie Elementary School Sycamore · Sycamore CUSD 427 | Elementary | 46.7% | +8.8pp |
| 13 | West Elem School Sycamore · Sycamore CUSD 427 | Elementary | 46.3% | +8.4pp |
| 14 | James R Wood Elem School Somonauk · Somonauk CUSD 432 | Elementary | 43.9% | +6.0pp |
| 15 | Hiawatha Elem Sch PreK-5 Kirkland · Hiawatha CUSD 426 | Elementary | 38.0% | +0.1pp |
| 16 | Hiawatha Jr/Sr High School Kirkland · Hiawatha CUSD 426 | High | 36.5% | -1.4pp |
| 17 | Sycamore Middle School Sycamore · Sycamore CUSD 427 | Middle | 36.2% | -1.7pp |
| 18 | Indian Creek Middle School Waterman · Indian Creek CUSD 425 | Middle | 32.5% | -5.4pp |
| 19 | Genoa Elementary School Genoa · Genoa Kingston CUSD 424 | Elementary | 31.4% | -6.5pp |
| 20 | Genoa-Kingston Middle School Genoa · Genoa Kingston CUSD 424 | Middle | 31.3% | -6.6pp |
| 21 | Sandwich Middle School Sandwich · Sandwich CUSD 430 | Middle | 30.8% | -7.1pp |
| 22 | Littlejohn Elem School DeKalb · DeKalb CUSD 428 | Elementary | 29.0% | -8.9pp |
| 23 | Cortland Elementary School Cortland · DeKalb CUSD 428 | Elementary | 22.8% | -15.1pp |
| 24 | Founders Elementary School Dekalb · DeKalb CUSD 428 | Elementary | 19.9% | -18.0pp |
| 25 | Malta Elementary School Malta · DeKalb CUSD 428 | Elementary | 17.9% | -20.0pp |
| 26 | Huntley Middle School Dekalb · DeKalb CUSD 428 | Middle | 17.8% | -20.1pp |
| 27 | Lincoln Elementary School DeKalb · DeKalb CUSD 428 | Elementary | 14.3% | -23.6pp |
| 28 | Clinton Rosette Middle School DeKalb · DeKalb CUSD 428 | Middle | 13.3% | -24.6pp |
| 29 | Gwendolyn Brooks Elem Sch Dekalb · DeKalb CUSD 428 | Elementary | 12.1% | -25.8pp |
| 30 | Tyler Elementary School De Kalb · DeKalb CUSD 428 | Elementary | 11.6% | -26.3pp |
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 DeKalb 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.