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 5 public middle schools serving 2,675 students in Colonial School District. This district's average middle testing ranking is 3/10, which is in the bottom 50% of public middle schools in Delaware.
Public Middle Schools in Colonial School District have an average math proficiency score of 12% (versus the Delaware public middle school average of 28%), and reading proficiency score of 29% (versus the 43% statewide average).
Minority enrollment is 75% of the student body (majority Black), which is more than the Delaware public middle school average of 63% (majority Black).
Overview
This School District
This State (DE)
# Schools
15 Schools
75 Schools
# Students
8,778 Students
51,514 Students
# Teachers
609 Teachers
3,541 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.
Overall District Rank
#32 out of 42 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15%
31%
Reading/Language Arts Test Scores (% Proficient)
29%
42%
Science Test Scores (% Proficient)
11%
21%
Graduation Rate
84%
88%
Students by Ethnicity:
Diversity Score
0.69
0.72
% American Indian
1%
n/a
% Asian
2%
5%
% Hispanic
22%
19%
% Black
45%
33%
% White
25%
38%
% 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.
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 Middle Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
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
Gr: PK-12 | 86 students Student-teacher ratio: 5:1 Minority enrollment: 66%
Rank: #22.
Wilmington Manor Elementary School
(Math: 22% | Reading: 25-29%)
Rank:
Rank:
4/
Bottom 50%10
200 East Roosevelt Avenue
New Castle, DE 19720
(302) 323-2901
New Castle, DE 19720
(302) 323-2901
Gr: K-8 | 368 students Student-teacher ratio: 13:1 Minority enrollment: 66%
Rank: #33.
Bedford (Gunning) Middle School
(Math: 15% | Reading: 36%)
Rank:
Rank:
3/
Bottom 50%10
801 Cox Neck Road
New Castle, DE 19720
(302) 832-6280
New Castle, DE 19720
(302) 832-6280
Gr: 6-8 | 908 students Student-teacher ratio: 17:1 Minority enrollment: 74%
Rank: #44.
Read (George) Middle School
(Math: 11% | Reading: 30%)
Rank:
Rank:
2/
Bottom 50%10
314 East Basin Road
New Castle, DE 19720
(302) 323-2760
New Castle, DE 19720
(302) 323-2760
Gr: 6-8 | 688 students Student-teacher ratio: 15:1 Minority enrollment: 73%
Rank: #55.
Mccullough (Calvin R. ) Middle School
(Math: 5% | Reading: 17%)
Rank:
Rank:
1/
Bottom 50%10
20 Chase Avenue
New Castle, DE 19720
(302) 429-4000
New Castle, DE 19720
(302) 429-4000
Gr: 6-8 | 625 students Student-teacher ratio: 16:1 Minority enrollment: 86%
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