Schools in Colonial School District
15 public schools in this Delaware school district: 9 elementary · 3 middle · 1 high · 1 combined · 1 schools. Ranked by our score, based on 2025-26 state test results.
Rankings renumber to share equal ranks and fill gaps when schools are hidden. Scores compare each school with schools of the same type across Delaware.
Elementary schools
9 schools in Colonial School District, best first
1
2
3
4
5
6
7
8
–
Wilbur (Kathleen H.) Elementary
25.3
ELA 32%Math 30%Science 25%
#70 of 93 in Delaware · #2 in Bear
Eisenberg (Harry O.) Elementary School
24.2
ELA 31%Math 29%Science 26%
#71 of 93 in Delaware · #1 in New Castle
Pleasantville Elementary School
19.9
ELA 27%Math 23%Science 20%
#75 of 93 in Delaware · #2 in New Castle
Castle Hills Elementary School
18.8
ELA 25%Math 22%Science 19%
#76 of 93 in Delaware · #3 in New Castle
Wilmington Manor Elementary School
15.6
ELA 24%Math 21%Science 16%
#79 of 93 in Delaware · #4 in New Castle
New Castle Elementary School
11.3
ELA 22%Math 21%
#83 of 93 in Delaware · #5 in New Castle
Southern Elementary School
10.2
ELA 19%Math 22%Science 12%
#84 of 93 in Delaware · #6 in New Castle
Downie (Carrie) Elementary School
7.0
ELA 18%Math 17%Science 13%
#87 of 93 in Delaware · #7 in New Castle
The Colwyck Center
—
No published test results
Middle schools
3 schools in Colonial School District, best first
1
2
3
Bedford (Gunning) Middle School
30.0
ELA 27%Math 17%Science 9%
#25 of 35 in Delaware · #1 in New Castle
Read (George) Middle School
24.3
ELA 27%Math 14%Science 8%
#27 of 35 in Delaware · #2 in New Castle
McCullough (Calvin R. ) Middle School
4.3
ELA 17%Math 10%Science 3%
#34 of 35 in Delaware · #3 in New Castle