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2026-2027 Colonial School District Calendar (DE)
School year: August 31, 2026 – June 11, 2027 (Holiday happening now)
| Holiday | Type | Starts | Ends | Days |
|---|---|---|---|---|
|
Schools Closed
Happening now
|
Other | Fri, September 4, 2026 | Fri, September 4, 2026 | 1 |
|
Labor Day
|
Public holiday | Mon, September 7, 2026 | Mon, September 7, 2026 | 1 |
|
Professional Development Day
|
Teacher workday | Tue, September 15, 2026 | Tue, September 15, 2026 | 1 |
|
Professional Development Day
|
Teacher workday | Fri, October 9, 2026 | Fri, October 9, 2026 | 1 |
|
Election Day
|
Public holiday | Tue, November 3, 2026 | Tue, November 3, 2026 | 1 |
|
Professional Development and Data Day
|
Teacher workday | Fri, November 6, 2026 | Fri, November 6, 2026 | 1 |
|
Veterans Day
|
Public holiday | Wed, November 11, 2026 | Wed, November 11, 2026 | 1 |
|
Parent Conferences
|
Teacher workday | Mon, November 23, 2026 | Tue, November 24, 2026 | 2 |
|
Professional Responsibilities Day
|
Teacher workday | Wed, November 25, 2026 | Wed, November 25, 2026 | 1 |
|
Thanksgiving Break
|
School break | Thu, November 26, 2026 | Fri, November 27, 2026 | 2 |
|
Winter Break
|
School break | Mon, December 21, 2026 | Fri, January 1, 2027 | 10 |
|
Martin Luther King Jr. Day
|
Public holiday | Mon, January 18, 2027 | Mon, January 18, 2027 | 1 |
|
Data Day
|
Teacher workday | Fri, January 29, 2027 | Fri, January 29, 2027 | 1 |
|
Professional Development Day
|
Teacher workday | Fri, February 12, 2027 | Fri, February 12, 2027 | 1 |
|
Presidents Day
|
Public holiday | Mon, February 15, 2027 | Mon, February 15, 2027 | 1 |
|
Parent Conferences
|
Teacher workday | Thu, March 4, 2027 | Fri, March 5, 2027 | 2 |
|
Data Day
|
Teacher workday | Thu, March 25, 2027 | Thu, March 25, 2027 | 1 |
|
Spring Break
|
School break | Fri, March 26, 2027 | Fri, April 2, 2027 | 6 |
|
Professional Development and Data Day
|
Teacher workday | Fri, May 28, 2027 | Fri, May 28, 2027 | 1 |
|
Memorial Day
|
Public holiday | Mon, May 31, 2027 | Mon, May 31, 2027 | 1 |
These dates come from the calendar published by Colonial School District. A district can revise its calendar after publishing, so check the district's website before making plans that depend on a date.