Suburban
Colonial School District School Calendar, Spring Break & Teacher Days 2025-26
New Castle, Delaware · New Castle County
8,778
Students
15
Schools
14.4:1
Student-Teacher
609 teachers
-1 - 12
Grades
Quick Facts
585
Avg. School Size
1,349
Total Staff
Contact
- Address
- 318 East Basin Road
New Castle, DE 19720 - Phone
- (302)323-2700
Staff & Students
- Teachers (FTE)
- 609
- Total Staff
- 1,349
Data Source
NCES Common Core of Data
School Year 2023-24
Schools in Colonial School District (15)
Penn (William) High School
New Castle
High
2,077 studentsGrades 9 - 1217.5:1 ratio-0.1% FRPL
Wilbur (Kathleen H.) Elementary
Bear
Primary
1,063 studentsGrades 0 - 515:1 ratio-0.19% FRPL
Bedford (Gunning) Middle School
New Castle
Middle
908 studentsGrades 6 - 817.1:1 ratio-0.22% FRPL
Southern Elementary School
New Castle
Primary
743 studentsGrades 0 - 512.2:1 ratio-0.27% FRPL
Read (George) Middle School
New Castle
Middle
688 studentsGrades 6 - 814.6:1 ratio-0.29% FRPL
McCullough (Calvin R. ) Middle School
New Castle
Middle
625 studentsGrades 6 - 816.4:1 ratio-0.32% FRPL
Castle Hills Elementary School
New Castle
Primary
479 studentsGrades 0 - 512.6:1 ratio-0.42% FRPL
Eisenberg (Harry O.) Elementary School
New Castle
Primary
415 studentsGrades 0 - 513.8:1 ratio-0.48% FRPL
New Castle Elementary School
New Castle
Primary
388 studentsGrades 0 - 512.5:1 ratio-0.52% FRPL
Pleasantville Elementary School
New Castle
Primary
384 studentsGrades 0 - 512.8:1 ratio-0.52% FRPL
Wilmington Manor Elementary School
New Castle
Primary
368 studentsGrades 0 - 812.7:1 ratio-0.54% FRPL
Downie (Carrie) Elementary School
New Castle
Primary
356 studentsGrades 0 - 514.8:1 ratio-0.56% FRPL
The Colwyck Center
New Castle
198 studentsGrades -1 - -19:1 ratio-1.01% FRPL
Leach (John G.) School
New Castle
Other
86 studentsGrades -1 - 125.4:1 ratio-2.33% FRPL
The Wallace Wallin School
New Castle
0Grades 15 - 15
Frequently Asked Questions about Colonial School District
You can view and subscribe to the Colonial School District 2025-26 school calendar on this page. Add district holidays, spring break, and teacher workdays to your calendar.