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Colonial School District de Calendar (2025-2026)
Calendar by educounty.net
| Date | Event |
|---|---|
| Feb 18, 2025 | Board Approved |
| Jul 1-3, 2025 | Schools & Offices Closed |
| Jul 19-22, 2025 | Professional Development |
| Jul 22, 2025 | Flex Day |
| Aug 25, 2025 | 1st Day - Kindergarten, Grades 6 & 9 |
| Aug 26, 2025 | All K-12 Students Report |
| Aug 25-28, 2025 | PreK Home Visits |
| Aug 29, 2025 | Schools Closed |
| Sep 1, 2025 | Schools & Offices Closed |
| Sep 2, 2025 | PreK first day |
| Sep 19, 2025 | Professional Development |
| Oct 10, 2025 | Professional Development |
| Nov 3, 2025 | Professional Development and Data Day |
| Nov 11, 2025 | Schools & Offices Closed |
| Nov 24-25, 2025 | PreK-12 Conferences - No School |
| Nov 26, 2025 | Staff Work Day - No School |
| Nov 27-28, 2025 | Schools & Offices Closed |
| Dec 12, 2025 | Professional Development Day (Colwyck ONLY - NO PreK) |
| Dec 22-25, 2025 | Schools Closed |
| Dec 26-30, 2025 | Schools Closed |
| Dec 31, 2025 | Schools & Offices Closed |
| Jan 1-2, 2026 | Schools & Offices Closed |
| Jan 16, 2026 | Data Day |
| Jan 19, 2026 | Schools & Offices Closed |
| Feb 13, 2026 | Professional Development |
| Feb 16, 2026 | Schools & Offices Closed |
| Mar 20, 2026 | Data Day |
| Apr 1-2, 2026 | PreK-12 Conferences - No School |
| Apr 3, 2026 | Schools & Offices Closed |
| Apr 6-10, 2026 | Schools Closed |
| May 1, 2026 | Professional Development and Data Day |
| May 25, 2026 | Schools & Offices Closed |
| Jun 1-4, 2026 | PreK - Last Day |
| Jun 5, 2026 | K-11 Abbreviated Day - Last Day |
| Jun 8-10, 2026 | Professional Development |
| Jun 19, 2026 | Offices Closed |
Colonial School District DE Schools Calendar FAQ
When is the first day of school in Colonial School District?
The first day of school is on August 25, 2025.
When is spring break in Colonial School District?
Spring break is from April 6 to April 10, 2026.
When is Christmas break in Colonial School District?
Christmas break is from December 22 to December 30, 2025.
When is winter break in Colonial School District?
Winter break is from December 22, 2025, to January 2, 2026.
When is Thanksgiving in Colonial School District?
Thanksgiving break is on November 24-25, 2025, with schools closed on November 26-28, 2025.
When is the last day of school in Colonial School District?
The last day of school is on June 5, 2026, for K-11 students.
What are the professional development days in Colonial School District?
Professional development days are scheduled on July 19-22, 2025, October 10, 2025, November 3, 2025, December 12, 2025, January 16, 2026, February 13, 2026, March 20, 2026, and May 1, 2026.
Calendar Disclaimer
The school calendar provided on this page is taken from the official Colonial School District DE website. Please note that all dates and events are subject to change at the discretion of the school district. For the most accurate and updated information, please refer to the official district website or contact the school helpline.