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Lake Dallas ISD Calendar 2026-2027

Denton County · Fort Worth area (Region 11)

  • First day of schoolAugust 12, 2026
  • Labor DaySeptember 7, 2026
  • Thanksgiving breakNovember 23–27, 2026
  • Winter breakDecember 21, 2026 – January 4, 2027
  • MLK Jr. DayJanuary 18, 2027
  • Spring breakMarch 15–19, 2027

Last updated September 18, 2026

Interactive calendar

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

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    Printable Calendar PDF

    Official Calendar

    Source: LAKE DALLAS ISD (ldisd.net) ↗
    First day: Wednesday, August 12, 2026

    Calendar Dates

    • First Day of School / Beginning of 1st Grading PeriodAug 12, 2026School Opens
    • Labor DaySep 7, 2026No School
    • End of 1st Grading PeriodOct 8, 2026Grading
    • No SchoolOct 9, 2026No School
    • No SchoolOct 12, 2026No School
    • Beginning of 2nd Grading PeriodOct 13, 2026Grading
    • Early ReleaseOct 16, 2026Early Release
    • Early ReleaseOct 30, 2026Early Release
    • Thanksgiving BreakNov 23 — Nov 27No School
    • Early Release / End of 2nd Grading PeriodDec 18, 2026Early Release
    • Winter BreakDec 21 — Jan 4No School
    • Beginning of 3rd Grading PeriodJan 5, 2027Grading
    • Martin Luther King Jr. DayJan 18, 2027No School
    • Presidents’ DayFeb 15, 2027No School
    • End of 3rd Grading PeriodMar 12, 2027Grading
    • Spring BreakMar 15 — Mar 19No School
    • Beginning of 4th Grading PeriodMar 22, 2027Grading
    • Bad Weather Make Up DayMar 26, 2027Event
    • No SchoolMar 29, 2027No School
    • Bad Weather Make Up DayApr 30, 2027Event
    • Early Release / End of 4th Grading PeriodMay 26, 2027Early Release

    Frequently asked questions

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

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

    When is Thanksgiving break for Lake Dallas ISD?

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

    When is winter break for Lake Dallas ISD?

    Lake Dallas ISD's winter break runs from December 21 through January 4.

    When is spring break for Lake Dallas ISD in 2026-2027?

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

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

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

    Does Lake Dallas ISD have school on Labor Day?

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

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

    The last day of school in Lake Dallas ISD is May 26, 2027. It is also an early-release day.

    When does the first grading period end in Lake Dallas ISD for 2026-2027?

    The first grading period ends on October 8, 2026.

    When does the second grading period begin in Lake Dallas ISD for 2026-2027?

    The second grading period begins on October 13, 2026.

    When does the second grading period end in Lake Dallas ISD for 2026-2027?

    The second grading period ends on December 18, 2026. This is also an early-release day.

    When does the third grading period begin in Lake Dallas ISD for 2026-2027?

    The third grading period begins on January 5, 2027.

    When does the third grading period end in Lake Dallas ISD for 2026-2027?

    The third grading period ends on March 12, 2027.

    When does the fourth grading period begin in Lake Dallas ISD for 2026-2027?

    The fourth grading period begins on March 22, 2027.

    When are the early-release days in Lake Dallas ISD for 2026-2027?

    Early-release days are October 16, 2026; October 30, 2026; December 18, 2026; and May 26, 2027.

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

    The scheduled bad-weather makeup days are March 26, 2027, and April 30, 2027.

    Is there school on February 15, 2027, in Lake Dallas ISD?

    No. February 15, 2027, is a no-school day in Lake Dallas ISD.

    Is there school on March 29, 2027, in Lake Dallas ISD?

    No. March 29, 2027, is a no-school day in Lake Dallas ISD.

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