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Katy ISD Calendar 2026-2027

Harris County · Houston area (Region 4)

  • First day of schoolAugust 12, 2026
  • Thanksgiving breakNovember 23–27, 2026
  • Spring breakMarch 8–12, 2027
  • Last day of schoolMay 20, 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: Katy Independent School District (katyisd.org) ↗
    First day: Wednesday, August 12, 2026

    Calendar Dates

    • District and Campuses Closed to the PublicJul 1 — Jul 2Event
    • Holiday • StaffJul 3, 2026No School
    • New Teacher Orientation DaysJul 28 — Jul 30Teacher Day
    • Teacher Start Date • 100 and 101 Pay Grade Employee Flex DayJul 31, 2026Teacher Day
    • Campus DayAug 3, 2026Event
    • District Professional Learning DaysAug 4 — Aug 5Event
    • Campus DaysAug 6 — Aug 11Event
    • First Day of School and Fall SemesterAug 12, 2026School Opens
    • Holiday • Students and StaffSep 7, 2026No School
    • Campus Professional Learning Day • No StudentsSep 18, 2026Event
    • 2nd Secondary Grading Cycle BeginsSep 21, 2026Event
    • Campus Professional Learning Day • No StudentsOct 9, 2026Event
    • Holiday • Students and StaffOct 12, 2026No School
    • 2nd Elementary Grading Cycle BeginsOct 19, 2026Event
    • Campus Professional Learning Day • No StudentsOct 30, 2026Event
    • 3rd Secondary Grading Cycle BeginsNov 2, 2026Event
    • Thanksgiving Holiday • Students and StaffNov 23 — Nov 27No School
    • Early Dismissal and End of SemesterDec 18, 2026Grading
    • Winter Holiday • Students and StaffDec 21 — Dec 31No School
    • Winter Holiday • Students and StaffJan 1, 2027No School
    • Campus Day • No StudentsJan 4, 2027Event
    • First Day of Spring SemesterJan 5, 2027School Opens
    • Holiday • Students and StaffJan 18, 2027No School
    • Campus Professional Learning Day • No StudentsFeb 15, 2027Event
    • 5th Secondary Grading Cycle BeginsFeb 16, 2027Event
    • Spring Break • Students and StaffMar 8 — Mar 12No School
    • 4th Elementary Grading Cycle BeginsMar 15, 2027Event
    • Holiday • Students and StaffMar 26, 2027No School
    • Campus Professional Learning Day • No StudentsApr 2, 2027Event
    • 6th Secondary Grading Cycle BeginsApr 5, 2027Event
    • Last Day of School for Graduating SeniorsMay 14, 2027School Closes
    • Early Dismissal and Last Day of SchoolMay 20, 2027School Closes
    • Campus DayMay 21, 2027Event
    • Holiday • StaffMay 31, 2027No School
    • Holiday • StaffJun 18, 2027No School

    Frequently asked questions

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

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

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

    The last day of school for Katy ISD is Thursday, May 20, 2027.

    When is Thanksgiving break for Katy ISD?

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

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

    Katy ISD's spring break is March 8 through 12, 2027.

    When is Christmas break in Katy Independent School District?

    Christmas break in Katy Independent School District begins on December 21 and continues through December 31, 2026.

    Are there any student holidays during the fall semester in the 2026–2027 school year?

    Yes, student holidays during the fall semester include September 7, 2026 and October 12, 2026, along with the Thanksgiving break from November 23–27, 2026.

    Are there professional learning days with no students in Katy Independent School District?

    Yes, campus professional learning days with no students are scheduled on September 18, October 9, October 30, 2026, February 15, and April 2, 2027.

    When does the spring semester begin in Katy Independent School District?

    The spring semester in Katy Independent School District begins on January 5, 2027.

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