Mckinney ISD Calendar 2026-2027
Collin County · Richardson area (Region 10)
The Mckinney ISD 2026-2027 school year starts on Thursday, August 13, 2026. Through the fall, families can plan around Labor Day on September 7, a fall break from October 12 through 13, and the Thanksgiving break from November 23 through 27. The winter break runs from December 21 through January 1. In the second semester, the calendar includes the Martin Luther King Jr. holiday on January 18, a spring break from March 15 through 19, and Memorial Day on May 31.
Last updated August 5, 2026
Official Calendar
Printable calendar (PDF)
PDF Full-year Mckinney ISD calendar with every key date — district logo, color legend and a QR code to this page.
Interactive calendar
Browse the key dates month by month — colored markers show each event.
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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 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.