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 15 public schools serving 8,778 students in Colonial School District. This district's average testing ranking is 3/10, which is in the bottom 50% of public schools in Delaware.
Public Schools in Colonial School District have an average math proficiency score of 14% (versus the Delaware public school average of 30%), and reading proficiency score of 29% (versus the 42% statewide average).
Minority enrollment is 75% of the student body (majority Black), which is more than the Delaware public school average of 61% (majority Black).
Overview
This School District
This State (DE)
# Schools
15 Schools
235 Schools
# Students
8,778 Students
141,842 Students
# Teachers
609 Teachers
9,918 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
0.71
% American Indian
1%
n/a
% Asian
2%
4%
% Hispanic
22%
20%
% Black
45%
31%
% White
25%
39%
% 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 Public Schools (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.
Wilbur (Kathleen H.) Elementary School
(Math: 29% | Reading: 41%)
Rank:
Rank:
5/
Bottom 50%10
4050 Wrangle Hill Road
Bear, DE 19701
(302) 832-6330
Bear, DE 19701
(302) 832-6330
Grades: K-5
| 1,063 students
Rank: #33.
Pleasantville Elementary School
(Math: 17% | Reading: 36%)
Rank:
Rank:
4/
Bottom 50%10
16 Pleasant Street
New Castle, DE 19720
(302) 323-2935
New Castle, DE 19720
(302) 323-2935
Grades: K-5
| 384 students
Rank: #44.
Southern Elementary School
(Math: 23% | Reading: 27%)
Rank:
Rank:
4/
Bottom 50%10
795 Cox Neck Road
New Castle, DE 19720
(302) 832-6300
New Castle, DE 19720
(302) 832-6300
Grades: K-5
| 743 students
Rank: #55.
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
Rank: #66.
Bedford (Gunning) Middle School
(Math: 14% | 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
Grades: 6-8
| 908 students
Rank: #77.
Wilmington Manor Elementary School
(Math: 15-19% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
200 East Roosevelt Avenue
New Castle, DE 19720
(302) 323-2901
New Castle, DE 19720
(302) 323-2901
Grades: K-8
| 368 students
Rank: #88.
Penn (William) High School
(Math: 12% | Reading: 32%)
Rank:
Rank:
3/
Bottom 50%10
713 East Basin Road
New Castle, DE 19720
(302) 323-2800
New Castle, DE 19720
(302) 323-2800
Grades: 9-12
| 2,077 students
Rank: #99.
Castle Hills Elementary School
(Math: 20% | Reading: 24%)
Rank:
Rank:
3/
Bottom 50%10
502 Moores Lane
New Castle, DE 19720
(302) 323-2915
New Castle, DE 19720
(302) 323-2915
Grades: K-5
| 479 students
Rank: #1010.
Eisenberg (Harry O.) Elementary School
(Math: 17% | Reading: 26%)
Rank:
Rank:
3/
Bottom 50%10
27 Landers Lane
New Castle, DE 19720
(302) 429-4074
New Castle, DE 19720
(302) 429-4074
Grades: K-5
| 415 students
Rank: #1111.
Read (George) Middle School
(Math: 7% | 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
Grades: 6-8
| 688 students
Rank: #1212.
The Wallace Wallin School
Special Education School
(Math: ≤20% | Reading: ≤20% )
Rank:
Rank:
2/
Bottom 50%10
701 East Basin Road
New Castle, DE 19720
(302) 323-2952
New Castle, DE 19720
(302) 323-2952
Grades: Inquire with school
| n/a students
Rank: #1313.
Downie (Carrie) Elementary School
(Math: 6-9% | Reading: 20-24%)
Rank:
Rank:
2/
Bottom 50%10
1201 Delaware Street
New Castle, DE 19720
(302) 323-2926
New Castle, DE 19720
(302) 323-2926
Grades: K-5
| 356 students
Rank: #1414.
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
Grades: 6-8
| 625 students
Rank: #1515.
New Castle Elementary School
(Math: 7% | Reading: 14%)
Rank:
Rank:
1/
Bottom 50%10
903 Delaware Street
New Castle, DE 19720
(302) 323-2880
New Castle, DE 19720
(302) 323-2880
Grades: K-5
| 388 students
Frequently Asked Questions
How many schools belong to Colonial School District?
Colonial School District manages 15 public schools serving 8,778 students.
What is the rank of Colonial School District?
Colonial School District is ranked #33 out of 42 school districts in Delaware (bottom 50%) based off of combined math and reading proficiency testing data for the 2021-2022 school year. This district ranks in the top 20% of Delaware school districts for: Largest student body (number of students) (Top 1%)
What is the racial composition of students in Colonial School District?
45% of Colonial School District students are Black, 25% of students are White, 22% of students are Hispanic, 5% of students are Two or more races, 2% of students are Asian, and 1% of students are American Indian.
What is the student/teacher ratio of Colonial School District?
Colonial School District has a student/teacher ratio of 14:1, which is equal to the Delaware state average of 14:1.
What is Colonial School District's spending/student ratio?
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.
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