Official School Calendar for Academic Year 2026–2027
![McKINNEY ISD Schools 26-27 Calendars [PDF]](/media/2026/03/McKINNEY-ISD_img1.png)
McKINNEY ISD Schools 2026–27 calendar dates
| Date | Event |
|---|---|
| Aug 13, 2026 | First Day of School |
| Sep 7, 2026 | Labor Day |
| Oct 12-13, 2026 | Fall Break |
| Nov 23-27, 2026 | Thanksgiving Break |
| Dec 21, 2026 - Jan 1, 2027 | Winter Break |
| Jan 18, 2027 | MLK Day |
| Mar 15-19, 2027 | Spring Break |
| Mar 26, 2027 | Holiday |
| May 28, 2027 | Graduation Day |
| May 31, 2027 | Memorial Day |
McKINNEY ISD Calendar 2026-2027 – Important Dates
When is the first day of school in McKINNEY ISD for 2026-2027?
The first day of school in McKINNEY ISD for the 2026-2027 school year is August 13, 2026.
When is Spring Break in McKINNEY ISD 2026-2027?
Spring Break in McKINNEY ISD for 2026-2027 is scheduled from March 15 through March 19, 2027.
When is Christmas Break in McKINNEY ISD 2026-2027?
Christmas Break in McKINNEY ISD for the 2026-2027 school year begins on December 21, 2026 and continues through January 1, 2027.
When is Winter Break in McKINNEY ISD 2026-2027?
Winter Break in McKINNEY ISD for 2026-2027 runs from December 21, 2026 to January 1, 2027.
When is Thanksgiving Break in McKINNEY ISD 2026-2027?
Thanksgiving Break in McKINNEY ISD for the 2026-2027 school year is from November 23 through November 27, 2026.
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.
When is Labor Day in McKINNEY ISD 2026-2027?
Labor Day will be observed on September 7, 2026 in McKINNEY ISD.
When is MLK Day in McKINNEY ISD 2026-2027?
Martin Luther King Jr. Day will be observed on January 18, 2027 in McKINNEY ISD.
When is Memorial Day in McKINNEY ISD 2026-2027?
Memorial Day will be observed on May 31, 2027 in McKINNEY ISD.
Dates can change after publication. Read our calendar disclaimer.