School District · Delaware
Colonial School District
📍 Bear, DE · New Castle County · NCES LEAID 1000230
District Contact & InformationSource: NCES CCD 2024–25
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Grades Served
Pre-K – 12th
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District Mailing Address
318 East Basin Road, New Castle, DE 19720
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NCES District ID (LEAID)
1000230
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District Type
Public School District
Zip Codes Served by Colonial School District6 zip codes
Frequently Asked Questions
What zip codes are in Colonial School District?▼
Colonial School District serves 6 zip codes: 19701, 19706, 19720, 19731, 19733, 19801. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Colonial School District rated?▼
Colonial School District has an overall rating of 1 out of 10 (Poor), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 6th percentile among Delaware school districts. Ratings are percentile-ranked within Delaware only and are not comparable across states.
How many students attend Colonial School District?▼
The NCES Common Core of Data directory reports enrollment of 9,132 students across 15 schools for Colonial School District.
What grades does Colonial School District serve?▼
Colonial School District is listed in the NCES directory as serving grades Pre-K – 12th.
How do I contact Colonial School District?▼
You can reach Colonial School District by phone at (302)323-2700 or by mail at 318 East Basin Road, New Castle, DE 19720. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
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 6th 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.
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.