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Denison ISD TX Calendar 26-27

  • 2026/27
  • Texas
  • 6 teacher days

The Denison ISD 2026–27 school year starts on Aug 13, 2026. Breaks include Thanksgiving break Nov 23-27, winter break Dec 21-31, and spring break Mar 15-19. The table below lists all teacher workdays, early release days, and holidays. Download the PDF calendar, or read the FAQs.

School year starts Thu, Aug 13, 2026 First Day of School
School year ends See full dates Last day not published separately
Next key date Thu, Aug 13, 2026 Counts down once the school year is under way

Denison ISD 2026-27 calendar

Select a thumbnail to open it full size, zoom in, or download it.

Denison ISD school year calendar

Every published date for 2026–27, colour-coded by what happens that day.

  • First day of school
  • Holiday - school closed
  • Break / vacation
  • Teacher / professional day
  • Early release / half day
  • Parent-teacher conference
  • Weather make-up day
  • Other scheduled date

August 2026

  • Aug 4-11, 2026 — Professional Learning Day (No Students)
  • Aug 12, 2026 — Faculty & Staff Work Day (No Students)
  • Aug 13, 2026 — First Day of School

September 2026

  • Sep 7, 2026 — Labor Day Holiday
  • Sep 21, 2026 — Early Release Parent/Teacher Conferences

October 2026

  • Oct 9, 2026 — No School (Staff & Students)
  • Oct 12, 2026 — Columbus Day - No School (Staff & Students)

November 2026

  • Nov 23-27, 2026 — Thanksgiving Break (No School)
  • Nov 30, 2026 — Faculty & Staff Work Day (No Students)

December 2026

  • Dec 18, 2026 — Early Release
  • Dec 21-31, 2026 — Christmas Break

January 2027

  • Jan 1, 2027 — Christmas Break
  • Jan 4, 2027 — Faculty & Staff Work Day (No Students)
  • Jan 18, 2027 — Martin Luther King Jr. Day - No School (Staff & Students)

February 2027

  • Feb 12, 2027 — Bad Weather Day
  • Feb 15, 2027 — No School (Staff & Students)

March 2027

  • Mar 1, 2027 — Early Release Parent/Teacher Conferences
  • Mar 15-19, 2027 — Spring Break
  • Mar 22, 2027 — Faculty & Staff Work Day (No Students)
  • Mar 26, 2027 — Bad Weather Day

April 2027

  • Apr 7, 2027 — Early Release

May 2027

  • May 20, 2027 — Early Release
  • May 21, 2027 — Faculty & Staff Work Day (No Students)
  • May 31, 2027 — Memorial Day

June 2027

July 2027

Denison ISD teacher and staff days 2026/27

Students normally stay home on these days. Confirm with the district before making plans.

  • Aug 4-11, 2026 Professional Learning Day (No Students) District source
  • Aug 12, 2026 Faculty & Staff Work Day (No Students) District source
  • Nov 30, 2026 Faculty & Staff Work Day (No Students) District source
  • Jan 4, 2027 Faculty & Staff Work Day (No Students) District source
  • Mar 22, 2027 Faculty & Staff Work Day (No Students) District source
  • May 21, 2027 Faculty & Staff Work Day (No Students) District source

Denison ISD breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 Labor Day Holiday Holiday
  • Oct 9, 2026 No School (Staff & Students) Holiday
  • Oct 12, 2026 Columbus Day - No School (Staff & Students) Holiday
  • Nov 23-27, 2026 Thanksgiving Break (No School) Break
  • Dec 21-31, 2026 Christmas Break Break
  • Jan 1, 2027 Christmas Break Break
  • Jan 18, 2027 Martin Luther King Jr. Day - No School (Staff & Students) Holiday
  • Feb 15, 2027 No School (Staff & Students) Holiday
  • Mar 15-19, 2027 Spring Break Break
  • May 31, 2027 Memorial Day Holiday

Your checked 2026/27 Denison ISD planning calendar

How these dates are put together, and what to double-check before you book anything.

Useful now25 published dates for the 2026–27 school year, laid out month by month.
CheckedTaken from the district’s own published calendar, not retyped from memory.
Kept currentLast updated July 14, 2026.
Full term dates table

Denison ISD 2026–27 calendar dates

DateEvent
Jul 27-31, 2026New Employee Institute (No Students)
Aug 4-11, 2026Professional Learning Day (No Students)
Aug 12, 2026Faculty & Staff Work Day (No Students)
Aug 13, 2026First Day of School
Sep 7, 2026Labor Day Holiday
Sep 21, 2026Early Release Parent/Teacher Conferences
Oct 9, 2026No School (Staff & Students)
Oct 12, 2026Columbus Day - No School (Staff & Students)
Nov 23-27, 2026Thanksgiving Break (No School)
Nov 30, 2026Faculty & Staff Work Day (No Students)
Dec 18, 2026Early Release
Dec 21-31, 2026Christmas Break
Jan 1, 2027Christmas Break
Jan 4, 2027Faculty & Staff Work Day (No Students)
Jan 18, 2027Martin Luther King Jr. Day - No School (Staff & Students)
Feb 12, 2027Bad Weather Day
Feb 15, 2027No School (Staff & Students)
Mar 1, 2027Early Release Parent/Teacher Conferences
Mar 15-19, 2027Spring Break
Mar 22, 2027Faculty & Staff Work Day (No Students)
Mar 26, 2027Bad Weather Day
Apr 7, 2027Early Release
May 20, 2027Early Release
May 21, 2027Faculty & Staff Work Day (No Students)
May 31, 2027Memorial Day

Denison Independent School District Calendar 26-27 pdf FAQs

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.

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Denison ISD calendar FAQs

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.

Dates can change after publication. Read our calendar disclaimer.