Texas Schools

Home › Calendars › Collinsville ISD

Collinsville ISD Calendar 2026-2027

Grayson County · Richardson area (Region 10)

First day of school: Monday, August 3, 2026

The Collinsville ISD academic calendar for the 2026-2027 school year starts on Monday, August 3, 2026 and ends on Tuesday, May 25, 2027. Through the fall, families can plan around Labor Day on September 7 and the Thanksgiving break from November 23 through 27. The winter break runs from December 17 through January 3. In the second semester, the calendar includes a spring break from March 15 through 19 and Memorial Day on May 31.

Last updated August 4, 2026

Official Calendar

⬇ Download
Official Collinsville ISD 2026–2027 calendar

Printable calendar (PDF)

Collinsville ISD printable 2026–2027 calendar PDF

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

⬇ Download PDF 🖨 Print online

Interactive calendar

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

—

    Calendar Dates

    • Inservice/Professional DevelopmentJul 27 — Jul 30Teacher Day
    • First Day of SchoolAug 3, 2026School Opens
    • Inservice/Professional DevelopmentAug 14, 2026Teacher Day
    • Inservice/Professional DevelopmentSep 4, 2026Teacher Day
    • Labor DaySep 7, 2026No School
    • Inservice/Professional DevelopmentOct 9, 2026Teacher Day
    • Inservice/Professional DevelopmentNov 13, 2026Teacher Day
    • Thanksgiving BreakNov 23 — Nov 27No School
    • Christmas BreakDec 17 — Jan 3No School
    • Inservice/Professional DevelopmentJan 4, 2027Teacher Day
    • 3rd Grading Period BeginsJan 5, 2027Grading
    • Inservice/Professional DevelopmentFeb 12, 2027Teacher Day
    • Inservice/Professional DevelopmentMar 12, 2027Teacher Day
    • Spring BreakMar 15 — Mar 19No School
    • 4th Grading Period BeginsMar 22, 2027Grading
    • Staff Exchange DayApr 16, 2027Event
    • Last Day of SchoolMay 25, 2027School Closes
    • Bad Weather DaysMay 26 — May 27Event
    • Inservice/Professional DevelopmentMay 28, 2027Teacher Day
    • Memorial DayMay 31, 2027No School
    • 1st Grading PeriodAug 3 — Oct 8Grading
    • 2nd Grading PeriodOct 12 — Dec 16Grading
    • 3rd Grading PeriodJan 5 — Mar 11Grading
    • 4th Grading PeriodMar 22 — May 25Grading

    Frequently asked questions

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

    The first day of school for Collinsville ISD is Monday, August 3, 2026.

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

    The last day of school for Collinsville ISD is Tuesday, May 25, 2027.

    When is Thanksgiving break for Collinsville ISD?

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

    When is winter break for Collinsville ISD?

    Collinsville ISD's winter break runs from December 17 through January 3.

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

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

    Does Collinsville ISD have school on Labor Day?

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

    Does Collinsville ISD have school on Memorial Day?

    No. Collinsville ISD is closed for Memorial Day on Monday, May 31, 2027.

    When is the first day of school in COLLINSVILLE I.S.D. for 2026-2027?

    The first day of school in COLLINSVILLE I.S.D. is August 3, 2026.

    When is Spring Break in COLLINSVILLE I.S.D. for 2026-2027?

    Spring Break in COLLINSVILLE I.S.D. is from March 15 through March 19, 2027.

    When is Christmas Break in COLLINSVILLE I.S.D. for 2026-2027?

    Christmas Break in COLLINSVILLE I.S.D. is from December 17, 2026, through January 3, 2027.

    When is Winter Break in COLLINSVILLE I.S.D. for 2026-2027?

    Winter Break follows the Christmas holiday schedule and runs from December 17, 2026, through January 3, 2027.

    When is Thanksgiving Break in COLLINSVILLE I.S.D. for 2026-2027?

    Thanksgiving Break in COLLINSVILLE I.S.D. is from November 23 through November 27, 2026.

    When is the last day of school in COLLINSVILLE I.S.D. for 2026-2027?

    The last day of school in COLLINSVILLE I.S.D. is May 25, 2027.

    When is Labor Day in COLLINSVILLE I.S.D. for 2026-2027?

    Labor Day is observed on September 7, 2026.

    When are the inservice and professional development days in COLLINSVILLE I.S.D. for 2026-2027?

    Inservice and professional development days are July 27-30, August 14, September 4, October 9, and November 13, 2026, as well as January 4, February 12, March 12, and May 28, 2027.

    When is the staff exchange day in COLLINSVILLE I.S.D. for 2026-2027?

    The staff exchange day is April 16, 2027.

    When are the bad weather days in COLLINSVILLE I.S.D. for 2026-2027?

    The scheduled bad weather days are May 26 and May 27, 2027.

    When is Memorial Day in COLLINSVILLE I.S.D. for 2026-2027?

    Memorial Day is observed on May 31, 2027.

    When does the first grading period end in COLLINSVILLE I.S.D. for 2026-2027?

    The first grading period runs from August 3 through October 8, 2026.

    When does the second grading period end in COLLINSVILLE I.S.D. for 2026-2027?

    The second grading period runs from October 12 through December 16, 2026.

    When is the third grading period in COLLINSVILLE I.S.D. for 2026-2027?

    The third grading period runs from January 5 through March 11, 2027.

    When is the fourth grading period in COLLINSVILLE I.S.D. for 2026-2027?

    The fourth grading period runs from March 22 through May 25, 2027.

    Compare nearby

    Nearby district calendars

    Other Grayson County and neighboring districts with 2026-2027 calendars.

    All calendars →
    📅 Callisburg ISD Calendar📅 Denison ISD Calendar📅 Howe ISD Calendar📅 Pottsboro ISD Calendar📅 Sherman ISD Calendar📅 Van Alstyne ISD Calendar