Diboll ISD Calendar 2026-2027
Angelina County · Kilgore area (Region 7)
The Diboll ISD academic calendar for the 2026-2027 school year starts on Tuesday, August 11, 2026 and ends on Friday, May 21, 2027. Through the fall, families can plan around Labor Day on September 7 and the Thanksgiving break from November 25 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 22 through 26, and Memorial Day on May 31.
Last updated August 4, 2026
Official Calendar
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PDF Full-year Diboll 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 Diboll ISD in 2026-2027?
The first day of school for Diboll ISD is Tuesday, August 11, 2026.
When is the last day of school for Diboll ISD in 2026-2027?
The last day of school for Diboll ISD is Friday, May 21, 2027.
When is Thanksgiving break for Diboll ISD?
Diboll ISD has Thanksgiving break from November 25 through 27, 2026.
When is winter break for Diboll ISD?
Diboll ISD's winter break runs from December 21 through 31.
When is spring break for Diboll ISD in 2026-2027?
Diboll ISD's spring break is March 22 through 26, 2027.
Does Diboll ISD have school on Martin Luther King Jr. Day?
No. Diboll ISD is closed for Martin Luther King Jr. Day on Monday, January 18, 2027.
Does Diboll ISD have school on Labor Day?
No. Diboll ISD is closed for Labor Day on Monday, September 7, 2026.
Does Diboll ISD have school on Memorial Day?
No. Diboll ISD is closed for Memorial Day on Monday, May 31, 2027.
When is the first day of school in Diboll Independent School District Calendar 2026-2027?
The first day of school is August 11, 2026.
When is spring break in Diboll Independent School District Calendar 2026-2027?
Spring break is from March 22 to March 26, 2027.
When is Christmas break in Diboll Independent School District Calendar 2026-2027?
Christmas break starts December 21, 2026 and falls within the winter break period.
When is winter break in Diboll Independent School District Calendar 2026-2027?
Winter break is from December 21 to December 31, 2026.
When is Thanksgiving break in Diboll Independent School District Calendar 2026-2027?
Thanksgiving break is from November 25 to November 27, 2026.
When is the last day of school in Diboll Independent School District Calendar 2026-2027?
The last day of school is May 21, 2027.
When are staff development days in Diboll Independent School District Calendar 2026-2027?
Staff development days are from August 3 to August 7, 2026.
When is Labor Day in Diboll Independent School District Calendar 2026-2027?
Labor Day is on September 7, 2026.
When is Martin Luther King Jr. Day in Diboll Independent School District Calendar 2026-2027?
MLK Day is on January 18, 2027.
When is graduation day in Diboll Independent School District Calendar 2026-2027?
Graduation day is May 21, 2027.