Denison ISD Calendar 2026-2027
Grayson County · Richardson area (Region 10)
The Denison ISD 2026-2027 school year starts on Thursday, August 13, 2026. Through the fall, families can plan around Labor Day on September 7 and the Thanksgiving break from November 23 through 27. The winter break runs from December 21 through 31. 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 4, 2026
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Frequently asked questions
When is the first day of school for Denison ISD in 2026-2027?
The first day of school for Denison ISD is Thursday, August 13, 2026.
When is Thanksgiving break for Denison ISD?
Denison ISD has Thanksgiving break from November 23 through 27, 2026.
When is winter break for Denison ISD?
Denison ISD's winter break runs from December 21 through 31.
When is spring break for Denison ISD in 2026-2027?
Denison ISD's spring break is March 15 through 19, 2027.
Does Denison ISD have school on Martin Luther King Jr. Day?
No. Denison ISD is closed for Martin Luther King Jr. Day on Monday, January 18, 2027.
Does Denison ISD have school on Labor Day?
No. Denison ISD is closed for Labor Day on Monday, September 7, 2026.
Does Denison ISD have school on Memorial Day?
No. Denison ISD is closed for Memorial Day on Monday, May 31, 2027.
When is the first day of school in Denison Independent School District for 2026-2027?
The first day of school for students in Denison Independent School District is August 13, 2026.
When is Spring Break in Denison Independent School District for 2026-2027?
Spring Break is scheduled from March 15 through March 19, 2027. Students return after a Faculty & Staff Work Day on March 22, 2027.
When is Christmas Break in Denison Independent School District for 2026-2027?
Christmas Break begins on December 21, 2026 and continues through January 1, 2027.
When is Winter Break in Denison Independent School District for 2026-2027?
Winter Break coincides with the district's Christmas Break, running from December 21, 2026, through January 1, 2027.
When is Thanksgiving Break in Denison Independent School District for 2026-2027?
Thanksgiving Break is scheduled for November 23-27, 2026. Classes resume after the Faculty & Staff Work Day on November 30, 2026.
When is the last day of school in Denison Independent School District for 2026-2027?
Based on the 2026-2027 academic calendar, the last day of school is May 20, 2027, which is also an Early Release Day.
Is Labor Day observed in Denison Independent School District during the 2026-2027 school year?
Yes. Schools are closed for Labor Day on September 7, 2026.
When are Parent/Teacher Conferences in Denison Independent School District for 2026-2027?
Early Release Parent/Teacher Conferences are scheduled for September 21, 2026 and March 1, 2027.
Are there any Early Release Days during the 2026-2027 school year?
Yes. Early Release Days are scheduled on December 18, 2026, April 7, 2027, and May 20, 2027.
When is Martin Luther King Jr. Day in Denison Independent School District for 2026-2027?
Schools are closed on January 18, 2027 in observance of Martin Luther King Jr. Day.
Are there any Bad Weather Days built into the Denison Independent School District Calendar 2026-2027?
Yes. The district has designated February 12, 2027 and March 26, 2027 as Bad Weather Days.
When is Memorial Day in Denison Independent School District for 2026-2027?
Memorial Day is observed on May 31, 2027.
When is the Faculty & Staff Work Day after Thanksgiving in Denison Independent School District?
A Faculty & Staff Work Day (No Students) is scheduled for November 30, 2026.
When do students return after Christmas Break in Denison Independent School District?
Christmas Break ends on January 1, 2027. January 4, 2027 is a Faculty & Staff Work Day, and students return to class afterward.