New Castle County schools ranked by test score
Latest DeSSA + SBAC year (2024-25). 62 schools in New Castle County, Delaware with reported Mathematics scores. Delaware state average: 34.0%.
| Rank | School | Level | Mathematics | vs state |
|---|---|---|---|---|
| 1 | Cedar Lane Elementary School Middletown · Appoquinimink School District | Elementary | 69.6% | +35.6pp |
| 2 | North Star Elementary School Hockessin · Red Clay Consolidated School District | Elementary | 68.3% | +34.3pp |
| 3 | Linden Hill Elementary School Wilmington · Red Clay Consolidated School District | Elementary | 64.3% | +30.3pp |
| 4 | Hanby Elementary School Wilmington · Brandywine School District | Elementary | 63.0% | +29.0pp |
| 5 | William F. Cooke Jr. Elementary Hockessin · Red Clay Consolidated School District | Elementary | 61.2% | +27.2pp |
| 6 | Crystal Run Elementary School Middletown · Appoquinimink School District | Elementary | 60.6% | +26.6pp |
| 7 | Loss (Olive B.) Elementary School Bear · Appoquinimink School District | Elementary | 60.6% | +26.6pp |
| 8 | Jones (Albert H.) Elementary School Newark · Christina School District | Elementary | 59.0% | +25.0pp |
| 9 | Claymont Elementary School Claymont · Brandywine School District | Elementary | 58.0% | +24.0pp |
| 10 | Wilson (Etta J.) Elementary School Newark · Christina School District | Elementary | 57.3% | +23.3pp |
| 11 | West Park Place Elementary School Newark · Christina School District | Elementary | 55.2% | +21.2pp |
| 12 | Lorewood Grove Elementary School Middletown · Appoquinimink School District | Elementary | 53.4% | +19.4pp |
| 13 | Townsend Elementary School Townsend · Appoquinimink School District | Elementary | 51.4% | +17.4pp |
| 14 | Old State Elementary School Townsend · Appoquinimink School District | Elementary | 50.7% | +16.7pp |
| 15 | Forwood Elementary School Wilmington · Brandywine School District | Elementary | 50.3% | +16.3pp |
| 16 | Lancashire Elementary School Wilmington · Brandywine School District | Elementary | 45.3% | +11.3pp |
| 17 | Marbrook Elementary School Wilmington · Red Clay Consolidated School District | Elementary | 42.1% | +8.1pp |
| 18 | First State Montessori Academy Wilmington · First State Montessori Academy | Elementary | 42.0% | +8.0pp |
| 19 | Lombardy Elementary School Wilmington · Brandywine School District | Elementary | 41.6% | +7.6pp |
| 20 | Maclary (R. Elisabeth) Elementary School Newark · Christina School District | Elementary | 39.6% | +5.6pp |
| 21 | Marshall (Thurgood) Elementary School Newark · Christina School District | Elementary | 39.6% | +5.6pp |
| 22 | Brandywine Springs School Wilmington · Red Clay Consolidated School District | Elementary | 39.2% | +5.2pp |
| 23 | Silver Lake Elementary School Middletown · Appoquinimink School District | Elementary | 39.0% | +5.0pp |
| 24 | Downes (John R.) Elementary School Newark · Christina School District | Elementary | 38.5% | +4.5pp |
| 25 | Heritage Elementary School Wilmington · Red Clay Consolidated School District | Elementary | 38.2% | +4.2pp |
| 26 | Keene (William B.) Elementary School Newark · Christina School District | Elementary | 37.0% | +3.0pp |
| 27 | Carrcroft Elementary School Wilmington · Brandywine School District | Elementary | 36.3% | +2.3pp |
| 28 | Smith (Jennie E.) Elementary School Newark · Christina School District | Elementary | 36.1% | +2.1pp |
| 29 | Gallaher (Robert S.) Elementary School Newark · Christina School District | Elementary | 36.0% | +2.0pp |
| 30 | Bunker Hill Elementary School Middletown · Appoquinimink School District | Elementary | 34.3% | +0.3pp |
| 31 | Forest Oak Elementary School Newark · Red Clay Consolidated School District | Elementary | 33.6% | -0.4pp |
| 32 | Brick Mill Elementary School Middletown · Appoquinimink School District | Elementary | 32.2% | -1.8pp |
| 33 | McVey (Joseph M.) Elementary School Newark · Christina School District | Elementary | 32.1% | -1.9pp |
| 34 | Brookside Elementary School Newark · Christina School District | Elementary | 30.2% | -3.8pp |
| 35 | Leasure (May B.) Elementary School Newark · Christina School District | Elementary | 28.6% | -5.4pp |
| 36 | Wilbur (Kathleen H.) Elementary Bear · Colonial School District | Elementary | 27.8% | -6.2pp |
| 37 | Richey Elementary School Wilmington · Red Clay Consolidated School District | Elementary | 27.3% | -6.7pp |
| 38 | Charter School of New Castle New Castle · Charter School of New Castle | Elementary | 25.9% | -8.1pp |
| 39 | Brader (Henry M.) Elementary School Newark · Christina School District | Elementary | 25.4% | -8.6pp |
| 40 | Wilmington Manor Elementary School New Castle · Colonial School District | Elementary | 25.0% | -9.0pp |
| 41 | Eisenberg (Harry O.) Elementary School New Castle · Colonial School District | Elementary | 24.3% | -9.7pp |
| 42 | Castle Hills Elementary School New Castle · Colonial School District | Elementary | 23.8% | -10.2pp |
| 43 | East Side Charter School Wilmington · East Side Charter School | Elementary | 22.6% | -11.4pp |
| 44 | New Castle Elementary School New Castle · Colonial School District | Elementary | 22.6% | -11.4pp |
| 45 | Harlan (David W. ) Elementary School Wilmington · Brandywine School District | Elementary | 21.9% | -12.1pp |
| 46 | Maple Lane Elementary School Claymont · Brandywine School District | Elementary | 21.9% | -12.1pp |
| 47 | Oberle (William) Elementary School Bear · Christina School District | Elementary | 21.4% | -12.6pp |
| 48 | Southern Elementary School New Castle · Colonial School District | Elementary | 20.9% | -13.1pp |
| 49 | Pleasantville Elementary School New Castle · Colonial School District | Elementary | 18.7% | -15.3pp |
| 50 | Baltz (Austin D.) Elementary School Wilmington · Red Clay Consolidated School District | Elementary | 18.2% | -15.8pp |
About this ranking
Schools are ranked by the percentage of students who scored at or above the DeSSA + SBAC % Proficient threshold on the latest available DeSSA + SBAC Mathematics test (school year 2024-25). Only public schools in New Castle County, Delaware with a reasonable cohort size are shown. A higher percentage is better.
The comparison column shows the gap to the Delaware statewide enrollment-weighted average. To compare against neighboring counties, use the full Delaware ranking.