District Contact & Information
Source: NCES CCD 2024–25Schools in Colonial School District
15 schools listed| School | Level | Grades | Students | City |
|---|---|---|---|---|
| Castle Hills Elementary School | Elementary | Kindergarten – 5th | 462 | New Castle |
| Downie (Carrie) Elementary School | Elementary | Kindergarten – 5th | 324 | New Castle |
| Eisenberg (Harry O.) Elementary School | Elementary | Kindergarten – 5th | 436 | New Castle |
| New Castle Elementary School | Elementary | Kindergarten – 5th | 383 | New Castle |
| Pleasantville Elementary School | Elementary | Kindergarten – 5th | 389 | New Castle |
| Southern Elementary School | Elementary | Kindergarten – 5th | 729 | New Castle |
| The Colwyck Center | Elementary | Pre-K | 222 | New Castle |
| Wilbur (Kathleen H.) Elementary | Elementary | Kindergarten – 5th | 1,052 | Bear |
| Wilmington Manor Elementary School | Elementary | Kindergarten – 5th | 291 | New Castle |
| Bedford (Gunning) Middle School | Middle | 6th – 8th | 846 | New Castle |
| McCullough (Calvin R. ) Middle School | Middle | 6th – 8th | 615 | New Castle |
| Read (George) Middle School | Middle | 6th – 8th | 662 | New Castle |
| Penn (William) High School | High | 9th – 12th | 2,069 | New Castle |
| The Wallace Wallin School | High | Ungraded | — | New Castle |
| Leach (John G.) School | Other | Pre-K – 12th | 95 | New Castle |
Zip Codes Served by Colonial School District
6 zip codesFrequently Asked Questions
About Colonial School District
Colonial School District is a public school district serving 6 zip codes in Delaware, primarily in New Castle County. It carries an overall rating of 1/10 (Poor), the 3rd percentile among Delaware districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other Delaware districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
Schools in this district
NCES lists 15 schools operating under Colonial School District — 9 elementary, 3 middle, 2 high and 1 other or combined. The largest by enrollment is Penn (William) High School with 2,069 students. School-level enrollment comes from the NCES Common Core of Data school directory; a school with no reported enrollment is shown with a dash rather than a zero.
Checking your own address
District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your assignment with the district office at (302)323-2700 before making a housing decision.