The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.

15 schools in Colonial School District

Delaware · 8,575 students · 2 cities

Colonial School District's public schools total 15 across the district, with enrollment of about 8,575 and an average school size near 572.

7-year change in Colonial School District

SY 2017-18 vs SY 2024-25
Total enrollment
8,575
-1,244 (-13%) vs SY 2017-18
School count
14
-1 (-7%) vs SY 2017-18
% White
23%
was 28%
% Hispanic
24%
was 22%
% Black
46%
was 44%
% Asian
2%
was 3%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
NameCityLevelGradesEnrollment
Penn (William) High SchoolNew CastleHigh09-122,069
Wilbur (Kathleen H.) ElementaryBearElementaryKG-051,052
Bedford (Gunning) Middle SchoolNew CastleMiddle06-08846
Southern Elementary SchoolNew CastleElementaryKG-05729
Read (George) Middle SchoolNew CastleMiddle06-08662
McCullough (Calvin R. ) Middle SchoolNew CastleMiddle06-08615
Castle Hills Elementary SchoolNew CastleElementaryKG-05462
Eisenberg (Harry O.) Elementary SchoolNew CastleElementaryKG-05436
Pleasantville Elementary SchoolNew CastleElementaryKG-05389
New Castle Elementary SchoolNew CastleElementaryKG-05383
Downie (Carrie) Elementary SchoolNew CastleElementaryKG-05324
Wilmington Manor Elementary SchoolNew CastleElementaryKG-05291
The Colwyck CenterNew CastleElementaryPK-PK222
Leach (John G.) SchoolNew CastleCombinedPK-1295
The Wallace Wallin SchoolNew CastleHighUG-UG0

About Colonial School District

Colonial School District is a population-heavy public-school district in Delaware. The district operates 15 schools and teaches approximately 8,575 students.

Looking at the level breakdown, Colonial School District covers 9 elementary, 3 middle, 2 high schools, and 1 combined or other.

Trend over the past 7 years. Total public-school enrollment in Colonial School District has declined 13% since SY 2017-18, moving from about 9,819 students to 8,575. The school count fell from 15 to 14 across the same 7-year window. On the demographic side, White enrollment moved from 28% to 23% over the same window.

In the discussion threads here, the community for Colonial School District discusses sports rivalries, cross-district programs, and shared facilities. Posts come from current and former families, staff, and alumni.

Frequently asked questions

How many public schools does Colonial School District run?
Colonial School District has 15 public schools with a combined enrollment of about 8,575 students in Delaware.
What is the mix of elementary, middle, and high schools in Colonial School District?
Colonial School District includes 9 elementary, 3 middle, 2 high, 1 combined-grade schools.
What is the largest school in Colonial School District?
Penn (William) High School is the largest public school in Colonial School District by enrollment, with approximately 2,069 students.
What grade levels does Colonial School District serve?
Colonial School District schools serve students from pre-K through grade 12, across 15 campuses.
What cities does Colonial School District serve?
Colonial School District operates schools in New Castle, Bear across Delaware.