Mckinney ISD Calendar 2026-2027
Collin County · Richardson area (Region 10)
- First day of schoolAugust 13, 2026
- Labor DaySeptember 7, 2026
- Fall breakOctober 12–13, 2026
- Thanksgiving breakNovember 23–27, 2026
- Winter breakDecember 21, 2026 – January 1, 2027
- MLK Jr. DayJanuary 18, 2027
- Spring breakMarch 15–19, 2027
- Memorial DayMay 31, 2027
Last updated September 18, 2026
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Frequently asked questions
When is the first day of school for Mckinney ISD in 2026-2027?
The first day of school for Mckinney ISD is Thursday, August 13, 2026.
When is Thanksgiving break for Mckinney ISD?
Mckinney ISD has Thanksgiving break from November 23 through 27, 2026.
When is winter break for Mckinney ISD?
Mckinney ISD's winter break runs from December 21 through January 1.
When is spring break for Mckinney ISD in 2026-2027?
Mckinney ISD's spring break is March 15 through 19, 2027.
When is fall break for Mckinney ISD?
Mckinney ISD has a fall break from October 12 through 13, 2026.
Does Mckinney ISD have school on Martin Luther King Jr. Day?
No. Mckinney ISD is closed for Martin Luther King Jr. Day on Monday, January 18, 2027.
Does Mckinney ISD have school on Labor Day?
No. Mckinney ISD is closed for Labor Day on Monday, September 7, 2026.
Does Mckinney ISD have school on Memorial Day?
No. Mckinney ISD is closed for Memorial Day on Monday, May 31, 2027.
When is the last day of school in McKINNEY ISD 2026-2027?
The last day of school for McKINNEY ISD in the 2026-2027 school year is May 28, 2027.