Colonial School District

318 East Basin Road
New Castle, DE 19720-4214
(District boundaries shown in map)
3/
10
Bottom 50%

Top Rankings

Colonial School District ranks among the top 20% of public school district in Delaware for:

Category
Attribute
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 school year, there are 2 public preschools serving 284 students in Colonial School District. This district's average pre testing ranking is 9/10, which is in the top 20% of public pre schools in Delaware.
Public Preschools in Colonial School District have an average math proficiency score of 50% (versus the Delaware public pre school average of 19%), and reading proficiency score of 50% (versus the 22% statewide average).
Minority enrollment is 44% of the student body (majority Black), which is less than the Delaware public preschool average of 56% (majority Black).

Overview

This School District
This State (DE)
# Schools
15 Schools
28 Schools
# Students
8,778 Students
7,226 Students
# Teachers
609 Teachers
757 Teachers
Student-Teacher Ratio
14:1
14:1

Student By Grade

District Rank

Colonial School District, which is ranked within the bottom 50% of all 42 school districts in Delaware (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 84% has increased from 80% over five school years.
This School District
State Average (DE)
#32 out of 42 school districts
(Bottom 50%)
15%
31%
29%
42%
11%
21%
84%
88%

Students by Ethnicity:

0.69
0.69
% American Indian
1%
1%
% Asian
2%
4%
% Hispanic
22%
16%
% Black
45%
30%
% White
25%
44%
% Hawaiian
n/a
n/a
% Two or more races
5%
5%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $23,415 is higher than the state median of $20,297. The school district revenue/student has grown by 11% over four school years.
The school district's spending/student of $21,634 is higher than the state median of $18,379. The school district spending/student has grown by 11% over four school years.
This School District
This State (DE)
Total Revenue
$206 MM
$2,882 MM
Spending
$190 MM
$2,610 MM
Revenue / Student
$23,415
$20,297
Spending / Student
$21,634
$18,379

Best Colonial School District Public Preschools (2025)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Leach (John G.) School
Special Education School
(Math: <50% | Reading: <50%)
Rank:
9/
10
Top 20%
10 Landers Lane
New Castle, DE 19720
(302) 429-4055
Gr: PK-12 | 86 students Student-teacher ratio: 5:1 Minority enrollment: 66%
Rank: n/an/a
The Colwyck Center
12 Landers Lane
New Castle, DE 19720
(302) 429-4085
Gr: PK | 198 students Student-teacher ratio: 9:1 Minority enrollment: 34%

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Quick Facts (2025)

  • District size: 15 schools
  • Grades: PK-12
  • Enrollment: 8,778 students
  • Student-Teacher Ratio: 14:1
  • Minority Enrollment: 75%
  • : 84% (Top 50% in DE)
  • : Bottom 50%
  • : 15% (Btm 50%)
  • : 29% (Btm 50%)
  • : 11% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), DE Dept. of Education

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