- First day of schoolAugust 11, 2026
- Thanksgiving breakNovember 23–27, 2026
- Winter breakDecember 18, 2026
- Spring breakMarch 15–19, 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.
🎒 First day: Tuesday, August 11, 2026
Calendar Dates
- Teacher Summer Comp DaysJul 29 — Jul 31Teacher Day
- Teacher Summer Comp DayAug 3, 2026Teacher Day
- Staff InserviceAug 4 — Aug 7Teacher Day
- Teacher Workday/Staff DevelopmentAug 10, 2026Teacher Day
- Cycle 1 BeginsAug 11, 2026Event
- First Day of SchoolAug 11, 2026School Opens
- Early Release DayAug 31, 2026Early Release
- Early Release DaySep 7, 2026Early Release
- Early Release DaySep 14, 2026Early Release
- Cycle 1 EndsSep 18, 2026Event
- Teacher Workday/Staff DevelopmentSep 21, 2026Teacher Day
- Cycle 2 BeginsSep 22, 2026Event
- Early Release DayOct 5, 2026Early Release
- Early Release DayOct 12, 2026Early Release
- Teacher Workday/Staff DevelopmentOct 19, 2026Teacher Day
- Early Release DayOct 26, 2026Early Release
- Cycle 2 EndsOct 30, 2026Event
- Early Release DayNov 2, 2026Early Release
- Cycle 3 BeginsNov 3, 2026Event
- Early Release DayNov 9, 2026Early Release
- Teacher Workday/Staff DevelopmentNov 16, 2026Teacher Day
- Thanksgiving HolidayNov 23 — Nov 27No School
- Thanksgiving BreakNov 23 — Nov 27No School
- Early Release DayNov 30, 2026Early Release
- Teacher Workday/Staff DevelopmentDec 7, 2026Teacher Day
- Early Release DayDec 14, 2026Early Release
- Cycle 3 EndsDec 17, 2026Event
- Christmas Holiday Begins / Teacher WorkdayDec 18, 2026No School
- Christmas BreakDec 18 — Jan 4No School
- Teacher Workday/Staff DevelopmentJan 4, 2027Teacher Day
- Cycle 4 BeginsJan 5, 2027Event
- Early Release DayJan 18, 2027Early Release
- Early Release DayJan 25, 2027Early Release
- Early Release DayFeb 1, 2027Early Release
- Teacher Workday/Staff DevelopmentFeb 8, 2027Teacher Day
- Cycle 4 EndsFeb 12, 2027Event
- Early Release DayFeb 15, 2027Early Release
- Cycle 5 BeginsFeb 16, 2027Event
- Early Release DayFeb 22, 2027Early Release
- Teacher Workday/Staff DevelopmentMar 1, 2027Teacher Day
- Early Release DayMar 8, 2027Early Release
- Spring BreakMar 15 — Mar 19No School
- Early Release DayMar 22, 2027Early Release
- Good FridayMar 26, 2027No School
- Early Release DayMar 29, 2027Early Release
- Early Release DayApr 5, 2027Early Release
- Cycle 5 EndsApr 9, 2027Event
- Teacher Workday/Bad Weather Makeup DayApr 12, 2027Teacher Day
- Cycle 6 BeginsApr 13, 2027Event
- Early Release DayApr 19, 2027Early Release
- Early Release DayApr 26, 2027Early Release
- Early Release DayMay 3, 2027Early Release
- Teacher Workday/Bad Weather Makeup DayMay 10, 2027Teacher Day
- Early Release DayMay 17, 2027Early Release
- Cycle 6 Ends (Last Day of School)May 20, 2027School Closes
- Teacher Workday/Staff DevelopmentMay 21, 2027Teacher Day
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Frequently asked questions
When is the first day of school for O'donnell ISD in 2026-2027?
The first day of school for O'donnell ISD is Tuesday, August 11, 2026.
When is the last day of school for O'donnell ISD in 2026-2027?
The last day of school for O'donnell ISD is Thursday, May 20, 2027.
When is Thanksgiving break for O'donnell ISD?
O'donnell ISD has Thanksgiving break from November 23 through 27, 2026.
When is winter break for O'donnell ISD?
O'donnell ISD's winter holiday is December 18, 2026.
When is spring break for O'donnell ISD in 2026-2027?
O'donnell ISD's spring break is March 15 through 19, 2027.
