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Dayton ISD Calendar 2026-2027

Liberty County · Houston area (Region 4)

First day of school: Wednesday, August 12, 2026

The Dayton ISD academic calendar for the 2026-2027 school year starts on Wednesday, August 12, 2026 and ends on Wednesday, May 26, 2027. Through the fall, families can plan around Labor Day on September 7, a fall break from October 19 through 23, 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 and a spring break from March 15 through 19.

Last updated August 4, 2026

Official Calendar

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Official Dayton ISD 2026–2027 calendar

Printable calendar (PDF)

Dayton ISD printable 2026–2027 calendar PDF

Full-year Dayton ISD calendar with every key date — district logo, color legend and a QR code to this page.

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Interactive calendar

Browse the key dates month by month — colored markers show each event.

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    Calendar Dates

    • New Teacher TrainingJul 27 — Jul 29Teacher Day
    • Instructional Staff Professional DayAug 3 — Aug 7Event
    • Teacher Workday / Student HolidayAug 10 — Aug 11No School
    • First Day of SchoolAug 12, 2026School Opens
    • Labor DaySep 7, 2026No School
    • End of 1st Six WeeksSep 18, 2026Grading
    • Instructional Staff Professional Development Day / Student HolidaySep 21, 2026No School
    • Instructional Staff Professional Development Day / Student HolidayOct 5, 2026No School
    • Fall Break / School HolidaysOct 19 — Oct 23No School
    • Instructional Staff Professional Development Day / Student HolidayNov 2, 2026No School
    • Parent Conference Day / Student HolidayNov 3, 2026No School
    • End of 2nd Six WeeksNov 6, 2026Grading
    • Thanksgiving HolidaysNov 23 — Nov 27No School
    • End of 3rd Six Weeks / End of 1st SemesterDec 18, 2026Grading
    • Christmas HolidaysDec 21 — Jan 1No School
    • Instructional Staff Professional Development Day / Student HolidayJan 4, 2027No School
    • MLK HolidayJan 18, 2027No School
    • End of 4th Six WeeksFeb 12, 2027Grading
    • Instructional Staff Professional Development Day / Student HolidayFeb 15, 2027No School
    • Parent Conference Day / Student HolidayFeb 16, 2027No School
    • Staff / Student HolidayFeb 17 — Feb 19No School
    • Spring BreakMar 15 — Mar 19No School
    • Easter HolidayMar 26, 2027No School
    • Instructional Staff Professional Development Day / Student HolidayApr 5, 2027No School
    • End of 5th Six WeeksApr 9, 2027Grading
    • Instructional Staff Professional Development Day / Student HolidayApr 19, 2027No School
    • Student / Staff HolidayMay 7, 2027No School
    • Last Day and End of 6th Six WeeksMay 26, 2027School Closes
    • Instructional Staff Professional DayMay 27, 2027Event
    • Graduation and Teacher WorkdayMay 28, 2027Teacher Day
    • Bad Weather DayApr 19, 2027Event
    • Bad Weather DayMay 7, 2027Event
    • End of Course Exams RetestNov 30 — Dec 11Grading
    • TELPAS WindowFeb 15 — Mar 26Event
    • STAAR Alternate IIMar 15 — Apr 16Event
    • Grades 3-8 Language Arts TestingApr 5 — Apr 16Event
    • End of Course Exams English I & IIApr 5 — Apr 16Grading
    • Grades 5/8 Science, Grades 8 U.S. History TestingApr 12 — Apr 23Event
    • Grades 3-8 Math, Algebra I TestingApr 19 — Apr 30Event
    • End of Course Exams RetestJun 14 — Jun 25Grading

    Frequently asked questions

    When is the first day of school for Dayton ISD in 2026-2027?

    The first day of school for Dayton ISD is Wednesday, August 12, 2026.

    When is the last day of school for Dayton ISD in 2026-2027?

    The last day of school for Dayton ISD is Wednesday, May 26, 2027.

    When is Thanksgiving break for Dayton ISD?

    Dayton ISD has Thanksgiving break from November 23 through 27, 2026.

    When is winter break for Dayton ISD?

    Dayton ISD's winter break runs from December 21 through January 1.

    When is spring break for Dayton ISD in 2026-2027?

    Dayton ISD's spring break is March 15 through 19, 2027.

    When is fall break for Dayton ISD?

    Dayton ISD has a fall break from October 19 through 23, 2026.

    Does Dayton ISD have school on Martin Luther King Jr. Day?

    No. Dayton ISD is closed for Martin Luther King Jr. Day on Monday, January 18, 2027.

    Does Dayton ISD have school on Labor Day?

    No. Dayton ISD is closed for Labor Day on Monday, September 7, 2026.

    When is the first day of school in Dayton ISD for 2026-2027?

    The first day of school in Dayton ISD is August 12, 2026.

    When is fall break in Dayton ISD for 2026-2027?

    Fall break in Dayton ISD is from October 19 through October 23, 2026.

    When is Thanksgiving break in Dayton ISD for 2026-2027?

    Thanksgiving break in Dayton ISD is from November 23 through November 27, 2026.

    When is Christmas break in Dayton ISD for 2026-2027?

    Christmas break in Dayton ISD is from December 21, 2026, through January 1, 2027.

    When is winter break in Dayton ISD for 2026-2027?

    Winter break in Dayton ISD is from December 21, 2026, through January 1, 2027.

    When is spring break in Dayton ISD for 2026-2027?

    Spring break in Dayton ISD is from March 15 through March 19, 2027.

    When is Labor Day in Dayton ISD for 2026-2027?

    Dayton ISD will observe Labor Day on September 7, 2026.

    When is the Martin Luther King Jr. holiday in Dayton ISD for 2026-2027?

    The Martin Luther King Jr. holiday in Dayton ISD is January 18, 2027.

    When is the Easter holiday in Dayton ISD for 2026-2027?

    The Easter holiday in Dayton ISD is March 26, 2027.

    When does the first semester end in Dayton ISD for 2026-2027?

    The first semester ends on December 18, 2026.

    When are the parent conference days in Dayton ISD for 2026-2027?

    Parent conference days are November 3, 2026, and February 16, 2027. Students will not attend school on these dates.

    When are the February staff and student holidays in Dayton ISD for 2026-2027?

    The staff and student holidays are from February 17 through February 19, 2027.

    When are the bad weather makeup days in Dayton ISD for 2026-2027?

    The designated bad weather makeup days are April 19 and May 7, 2027.

    When is the last day of school in Dayton ISD for 2026-2027?

    The last day of school in Dayton ISD is May 26, 2027.

    When is graduation in Dayton ISD for 2026-2027?

    Graduation is scheduled for May 28, 2027. This date is also a teacher workday.

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