The fastest-declining public high schools by enrollment in New Castle County, Delaware
9 public high schools in New Castle County, Delaware appear in this ranking of the fastest-declining public high schools by enrollment, ranked by the steepest enrollment decline between the 2017-18 and 2024-25 school years. Great Oaks Charter School leads the list at -66.7%, against a median of -15.9% across the ranked schools.
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| # | School | City | 2024-25 | % Change |
|---|---|---|---|---|
| 1 | Great Oaks Charter School | Wilmington, DE | 149 | -66.7% |
| 2 | duPont (Alexis I.) High School | Wilmington, DE | 550 | -44.9% |
| 3 | Middletown High School | Middletown, DE | 1,231 | -21.5% |
| 4 | Appoquinimink High School | Middletown, DE | 1,357 | -17.9% |
| 5 | Concord High School | Wilmington, DE | 994 | -15.9% |
| 6 | Newark High School | Newark, DE | 1,039 | -8.1% |
| 7 | Delaware Military Academy | Wilmington, DE | 547 | -6.0% |
| 8 | Hodgson (Paul M.) Vocational Technical High School | Newark, DE | 1,104 | -1.9% |
| 9 | Conrad Schools of Science | Wilmington, DE | 1,164 | -0.3% |
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allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.