Denison Independent School District Calendar (2025-2026)
Calendar by denisonisd.net
| Date | Event |
|---|---|
| July 4, 2025 | Independence Day (Observed) (NO SCHOOL) |
| July 5, 2025 | Independence Day (Observed) (NO SCHOOL) |
| July 28, 2025 | New Employee Institute (NO STUDENTS) |
| July 29, 2025 | New Employee Institute (NO STUDENTS) |
| July 30, 2025 | New Employee Institute (NO STUDENTS) |
| July 31, 2025 | New Employee Institute (NO STUDENTS) |
| August 11, 2025 | Professional Learning Day (NO STUDENTS) |
| August 12, 2025 | Faculty & Staff Work Day (NO STUDENTS) |
| August 13, 2025 | First Day of School |
| September 1, 2025 | Labor Day (NO SCHOOL) |
| October 20, 2025 | Faculty & Staff Comp Time Day (NO STUDENTS) |
| October 21, 2025 | No School (FACULTY, STAFF & STUDENTS) |
| November 24, 2025 | Thanksgiving Break (NO SCHOOL) |
| November 25, 2025 | Thanksgiving Break (NO SCHOOL) |
| November 26, 2025 | Thanksgiving Break (NO SCHOOL) |
| November 27, 2025 | Thanksgiving Break (NO SCHOOL) |
| November 28, 2025 | Thanksgiving Break (NO SCHOOL) |
| December 19, 2025 | Faculty & Staff Work Day (NO STUDENTS) |
| December 19, 2025 | Early Release For Students |
| December 22, 2025 | Christmas Holidays (NO SCHOOL) |
| December 23, 2025 | Christmas Holidays (NO SCHOOL) |
| December 24, 2025 | Christmas Holidays (NO SCHOOL) |
| December 25, 2025 | Christmas Holidays (NO SCHOOL) |
| December 26, 2025 | Christmas Holidays (NO SCHOOL) |
| December 29, 2025 | Christmas Holidays (NO SCHOOL) |
| December 30, 2025 | Christmas Holidays (NO SCHOOL) |
| December 31, 2025 | Christmas Holidays (NO SCHOOL) |
| January 1, 2026 | Christmas Holidays (NO SCHOOL) |
| January 2, 2026 | Christmas Holidays (NO SCHOOL) |
| January 5, 2026 | Faculty & Staff Work Day (NO STUDENTS) |
| January 19, 2026 | Faculty & Staff Comp Time Day (NO STUDENTS) |
| February 16, 2026 | No School (FACULTY, STAFF & STUDENTS) |
| February 17, 2026 | Bad Weather Day |
| March 10, 2026 | Spring Break (NO SCHOOL) |
| March 11, 2026 | Spring Break (NO SCHOOL) |
| March 12, 2026 | Spring Break (NO SCHOOL) |
| March 13, 2026 | Spring Break (NO SCHOOL) |
| March 16, 2026 | Faculty & Staff Work Day (NO STUDENTS) |
| April 3, 2026 | Early Release For Students |
| April 20, 2026 | Bad Weather Day |
| May 22, 2026 | Early Release For Students |
| May 25, 2026 | Memorial Day (NO SCHOOL) |
| May 26, 2026 | Faculty & Staff Work Day (NO STUDENTS) |
Denison ISD Schools Calendar FAQ (2025-2026)
When is the first day of school in Denison ISD?
The first day of school for the 2025-2026 academic year is August 13, 2025.
When is spring break in Denison ISD?
Spring break in Denison ISD is from March 10, 2026, to March 13, 2026.
When is Christmas break in Denison ISD?
Christmas break in Denison ISD is from December 22, 2025, to January 2, 2026.
When is Thanksgiving break in Denison ISD?
Thanksgiving break in Denison ISD is from November 24, 2025, to November 28, 2025.
When is the last day of school in Denison ISD?
The last day of school is not explicitly mentioned in the provided data. However, May 26, 2026, is a Faculty & Staff Work Day (NO STUDENTS), which typically follows the last day of school.
When is Labor Day (No School)?
Labor Day (No School) is on September 1, 2025.
When is Memorial Day (No School)?
Memorial Day (No School) is on May 25, 2026.
When is Independence Day (Observed) (No School)?
Independence Day (Observed) (No School) is on July 4, 2025 and July 5, 2025.
Calendar Disclaimer
The school calendar provided on this page is taken from the official Denison ISD School District 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.