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Knox City-o'brien CISD Calendar 2026-2027

Knox County · Wichita Falls area (Region 9)

Through the fall, families can plan around the Thanksgiving break from November 24 through 28. The winter break runs from December 18 through January 2. In the second semester, the calendar includes a spring break from March 16 through 20.

Last updated August 4, 2026

Official Calendar

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Official Knox City-o'brien CISD 2026–2027 calendar

Printable calendar (PDF)

Knox City-o'brien CISD printable 2026–2027 calendar PDF

Full-year Knox City-o'brien CISD 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

    • Comp DayAug 1, 2025Teacher Day
    • Staff DevelopmentAug 4 — Aug 7Teacher Day
    • Comp DayAug 8, 2025Teacher Day
    • Staff DevelopmentAug 11 — Aug 12Teacher Day
    • First Day of SchoolAug 13, 2025School Opens
    • Labor Day HolidaySep 1, 2025No School
    • End of First Six WeeksSep 26, 2025Grading
    • Staff DevelopmentSep 29, 2025Teacher Day
    • Beginning of Second Six WeeksSep 30, 2025Event
    • School HolidayOct 13, 2025No School
    • End of Second Six WeeksOct 31, 2025Grading
    • Staff DevelopmentNov 3, 2025Teacher Day
    • Beginning of Third Six WeeksNov 4, 2025Event
    • Student Early DismissalNov 21, 2025Event
    • Thanksgiving BreakNov 24 — Nov 28No School
    • Student Early Dismissal and End of First SemesterDec 17, 2025Grading
    • Christmas and Winter BreakDec 18 — Jan 2No School
    • Staff DevelopmentJan 5, 2026Teacher Day
    • Martin Luther King Jr. Day HolidayJan 19, 2026No School
    • End of Fourth Six WeeksFeb 13, 2026Grading
    • Comp DayFeb 16, 2026Teacher Day
    • Beginning of Fifth Six WeeksFeb 17, 2026Event
    • Student Early DismissalMar 13, 2026Event
    • Spring BreakMar 16 — Mar 20No School
    • End of Fifth Six WeeksApr 2, 2026Grading
    • School HolidayApr 3, 2026No School
    • School HolidayApr 6, 2026No School
    • Beginning of Sixth Six WeeksApr 7, 2026Event
    • Bad Weather DayApr 24, 2026Event
    • Bad Weather DayMay 8, 2026Event
    • Student Early Dismissal, Last Day of School and End of Second SemesterMay 14, 2026School Closes
    • Staff DevelopmentMay 15, 2026Teacher Day

    Frequently asked questions

    When is Thanksgiving break for Knox City-o'brien CISD?

    Knox City-o'brien CISD has Thanksgiving break from November 24 through 28, 2026.

    When is winter break for Knox City-o'brien CISD?

    Knox City-o'brien CISD's winter break runs from December 18 through January 2.

    When is spring break for Knox City-o'brien CISD in 2026-2027?

    Knox City-o'brien CISD's spring break is March 16 through 20, 2027.

    When is the first day of school in Knox City-O'Brien CISD for 2025-2026?

    The first day of school in Knox City-O'Brien CISD is August 13, 2025.

    When is Spring Break in Knox City-O'Brien CISD for 2025-2026?

    Spring Break in Knox City-O'Brien CISD is from March 16 through March 20, 2026.

    When is Christmas Break in Knox City-O'Brien CISD for 2025-2026?

    Christmas Break in Knox City-O'Brien CISD begins on December 18, 2025, and continues through January 2, 2026.

    When is Winter Break in Knox City-O'Brien CISD for 2025-2026?

    Winter Break in Knox City-O'Brien CISD is from December 18, 2025, through January 2, 2026.

    When is Thanksgiving Break in Knox City-O'Brien CISD for 2025-2026?

    Thanksgiving Break in Knox City-O'Brien CISD is from November 24 through November 28, 2025.

    When is the last day of school in Knox City-O'Brien CISD for 2025-2026?

    The last day of school in Knox City-O'Brien CISD is May 14, 2026. Students will have an early dismissal that day.

    When is Labor Day in Knox City-O'Brien CISD for 2025-2026?

    Knox City-O'Brien CISD will be closed for Labor Day on September 1, 2025.

    When is the October school holiday in Knox City-O'Brien CISD for 2025-2026?

    The October school holiday in Knox City-O'Brien CISD is October 13, 2025.

    When is Martin Luther King Jr. Day in Knox City-O'Brien CISD for 2025-2026?

    Knox City-O'Brien CISD will be closed for Martin Luther King Jr. Day on January 19, 2026.

    When are the staff development days in Knox City-O'Brien CISD for 2025-2026?

    Staff development days are August 4-7, August 11-12, September 29, and November 3, 2025, as well as January 5 and May 15, 2026.

    When are the student early dismissal days in Knox City-O'Brien CISD for 2025-2026?

    Student early dismissal days are November 21 and December 17, 2025, and March 13 and May 14, 2026.

    When are the bad weather days in Knox City-O'Brien CISD for 2025-2026?

    The designated bad weather days are April 24 and May 8, 2026.

    When does the first semester end in Knox City-O'Brien CISD for 2025-2026?

    The first semester ends on December 17, 2025.

    When do students return after Winter Break in Knox City-O'Brien CISD for 2025-2026?

    Students return after Winter Break on January 6, 2026.

    When are the comp days in Knox City-O'Brien CISD for 2025-2026?

    The comp days are August 1 and August 8, 2025, and February 16, 2026.

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