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Colonial School District, Delaware

Colonial School District is a unified school district in New Castle County, Delaware, for grades Pre-K to 12. About 90,439 people live in it (2020–2024 estimate). It covers 78.8 sq mi (204 km²) of land.

WilmingtonDoverNewark
Colonial School District in Delaware
Christina School DistrictElsinboro Township School DistrictPennsville Township School DistrictPenns Grove-Carneys Point Regional School District
Colonial School District and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
90,439 ± 2,876
Grades
Pre-K to 12
Type
Unified school district
County
New Castle County
Land area
78.8 sq mi (204 km²)
Median household income
$85,039 ± $4,739
Median home value
$300,300 ± $10,872
Water area
43 sq mi (111 km²)
State
Delaware
Census code (GEOID)
1000230
Coordinates (central point)
39.618577, -75.563459
Check a point in the school district finder

These coordinates mark a central point for the district, not a school or an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Towns, townships and communities in Colonial School District, largest first

  1. Wilmington (city)71,727 people
  2. Wilmington Manor (CDP)8,214 people
  3. New Castle (city)5,579 people
  4. Delaware City (city)1,950 people
  5. St. Georges (CDP)1,530 people
  6. Port Penn (CDP)592 people

A town, township, city or borough is listed when at least half its land is in the district; a community, when its central point is. Near a district line, an address can belong to the district next door.

Bordering unified school districts, nearest first

  1. Pennsville Township School District, New Jersey3.2 mi east
  2. Elsinboro Township School District, New Jersey6.8 mi southeast
  3. Penns Grove-Carneys Point Regional School District, New Jersey8.4 mi northeast
  4. Christina School District8.9 mi west
  5. Red Clay Consolidated School District11 mi north
  6. Brandywine School District12 mi north
  7. Lower Alloways Creek Township School District, New Jersey13 mi southeast
  8. Appoquinimink School District13 mi southwest

These share a boundary with Colonial School District. Distances are straight lines between central points.

Before using this answer for enrollment

A district boundary doesn’t decide which school a student attends; the district’s attendance zones and rules do. Confirm the full address and grade with Colonial School District before you rely on it.

See its schools and enrollment on NCES ↗

Find the school district where you are now or find your town or township.