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.
ºÚÁÏÍø¹ÙÍø Preschools in Colonial School District have an average math proficiency score of 50% (versus the Delaware public pre school average of 17%), 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
27 Schools
# Students
8,778 Students
7,056 Students
# Teachers
609 Teachers
743 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 2021-2022 school year.
The school district's graduation rate of 85% has increased from 80% over five school years.
Overall District Rank
#33 out of 42 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
14%
29%
Reading/Language Arts Test Scores (% Proficient)
29%
42%
Science Test Scores (% Proficient)
11%
21%
Graduation Rate
85%
88%
Students by Ethnicity:
Diversity Score
0.69
0.69
% American Indian
1%
n/a
% Asian
2%
4%
% Hispanic
22%
16%
% Black
45%
30%
% White
25%
44%
% Hawaiian
n/a
n/a
% Two or more races
5%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $23,415 is higher than the state median of $20,321. 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 $18,401. The school district spending/student has grown by 11% over four school years.
Total Revenue
$206 MM
$2,882 MM
Spending
$190 MM
$2,610 MM
Revenue / Student
$23,415
$20,321
Spending / Student
$21,634
$18,401
Best Colonial School District ºÚÁÏÍø¹ÙÍø Preschools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Leach (John G.) School
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
10 Landers Lane
New Castle, DE 19720
(302) 429-4055
New Castle, DE 19720
(302) 429-4055
Grades: PK-12
| 86 students
Rank: #22.
The Colwyck Center
(Math: 60-64% | Reading: 60-64% )
Rank:
Rank:
4/
Bottom 50%10
12 Landers Lane
New Castle, DE 19720
(302) 429-4085
New Castle, DE 19720
(302) 429-4085
Grades: PK
| 198 students
Recent Articles

Segregation in K-12 Education: Colonial Era
Explore the origins of educational segregation during the colonial era and the differential treatment of Native American, African American, and white students. This article delves into the historical context, policies, and societal attitudes that shaped early education in colonial America, highlighting the disparities and injustices that persisted within the schooling systems of that time.

2011 Classroom Size Update: Are Classes Still Growing Larger?
Since the recession, public school classrooms have seen major budget cuts - and many increases in class sizes. How is the situation in 2011? Read this article to find out.

Will Single Sex Classrooms Save ºÚÁÏÍø¹ÙÍø Schools?
Learn about the benefits of single sex classrooms and why public schools are hoping this type of classroom will save the American school system.