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Colonial School District — District Profile & Schools

New Castle, Delaware · New Castle County

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Key Dates — Colonial School District School Calendar

Scheduled breaks include Thanksgiving Break (Wed, Nov 25, 2026 to Fri, Nov 27, 2026), Christmas Break (Thu, Dec 24, 2026 to Fri, Jan 1, 2027), Spring Break (Mon, Mar 29, 2027 to Fri, Apr 2, 2027).

Thanksgiving Break
Wed, Nov 25, 2026 to Fri, Nov 27, 2026
Christmas Break
Thu, Dec 24, 2026 to Fri, Jan 1, 2027
Spring Break
Mon, Mar 29, 2027 to Fri, Apr 2, 2027
Labor Day Weekend
Fri, Sep 4, 2026
Labor Day Holiday
Mon, Sep 7, 2026
New Year's Day
Fri, Jan 1, 2027
MLK Jr. Day
Mon, Jan 18, 2027
Presidents Day
Mon, Feb 15, 2027
Memorial Day
Mon, May 31, 2027
8,778
Students
15
Schools
8 elem · 3 mid · 1 high
14.4:1
Student-Teacher
609 teachers
-1 - 12
Grades

Quick Facts

585
Avg. School Size
1,349
Total Staff

Colonial School District Calendar

16 events

Source

Tue, Aug 25

PD Day

Professional Development Day

No school today. Confirm childcare or before/after-care coverage.

Wed, Aug 26

PD Day

Professional Development Day

No school today. Confirm childcare or before/after-care coverage.

Thu, Aug 27

PD Day

Professional Development Day

No school today. Confirm childcare or before/after-care coverage.

Fri, Aug 28

PD Day

Professional Development Day

No school today. Confirm childcare or before/after-care coverage.

Mon, Aug 31

Event

First Pupil Day

Tue, Sep 1

PD Day

Professional Development Day

No school today. Confirm childcare or before/after-care coverage.

Fri, Sep 4

Holiday

Labor Day Weekend

Banks, government offices, and schools may be closed.

Mon, Sep 7

Holiday

Labor Day Holiday

Banks, government offices, and schools may be closed.

Nov 25 - 27

Break

Thanksgiving Break

Review the calendar for the full break dates.

Thu, Dec 24 - Fri, Jan 1

Break

Christmas Break

Review the calendar for the full break dates.

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Data source: official Colonial School District website · How we verify this data

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

Frequently Asked Questions about Colonial School District

Colonial School District includes 15 schools across elementary, middle, and high school levels.

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