- First day of schoolAugust 10, 2026
- Labor DaySeptember 7, 2026
- Thanksgiving breakNovember 23–27, 2026
- Winter breakDecember 21, 2026 – January 1, 2027
- Spring breakMarch 8–12, 2027
- Last day of schoolMay 21, 2027
Last updated September 18, 2026
Interactive calendar
Browse the key dates month by month — colored markers show each event.
🎒 First day: Monday, August 10, 2026
Calendar Dates
- Summer Closing / Teacher InserviceJul 27 — Jul 31Teacher Day
- Teacher InserviceAug 3 — Aug 7Teacher Day
- 1st Six Weeks BeginsAug 4, 2026Grading
- First Day of School for StudentsAug 10, 2026School Opens
- Early ReleaseSep 4, 2026Early Release
- Labor Day HolidaySep 7, 2026No School
- 1st Six Weeks EndsSep 11, 2026Grading
- 2nd Six Weeks BeginsSep 14, 2026Grading
- Teacher InserviceOct 12, 2026Teacher Day
- 2nd Six Weeks EndsOct 30, 2026Grading
- Early ReleaseOct 30, 2026Early Release
- 3rd Six Weeks BeginsNov 2, 2026Grading
- Comp DayNov 2, 2026Event
- Early ReleaseNov 20, 2026Early Release
- Thanksgiving BreakNov 23 — Nov 27No School
- 3rd Six Weeks EndsDec 18, 2026Grading
- Early ReleaseDec 18, 2026Early Release
- Christmas BreakDec 21 — Dec 31No School
- Christmas Break (Continued)Jan 1, 2027No School
- Teacher InserviceJan 4, 2027Teacher Day
- 4th Six Weeks BeginsJan 5, 2027Grading
- Early ReleaseJan 15, 2027Early Release
- Dr. ML King, Jr. DayJan 18, 2027Event
- 4th Six Weeks EndsFeb 12, 2027Grading
- Early ReleaseFeb 12, 2027Early Release
- Teacher InserviceFeb 15, 2027Teacher Day
- Semester Mini BreakFeb 16 — Feb 19No School
- 5th Six Weeks BeginsFeb 22, 2027Grading
- Early ReleaseMar 5, 2027Early Release
- Spring BreakMar 8 — Mar 12No School
- Good FridayMar 26, 2027No School
- 5th Six Weeks EndsApr 9, 2027Grading
- Early ReleaseApr 9, 2027Early Release
- 6th Six Weeks BeginsApr 12, 2027Grading
- Bad Weather DayApr 12, 2027Event
- Bad Weather DayMay 10, 2027Event
- 6th Six Weeks EndsMay 21, 2027Grading
- Last Day of School for StudentsMay 21, 2027School Closes
- Early ReleaseMay 21, 2027Early Release
- Teacher InserviceMay 24 — May 28Teacher Day
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Frequently asked questions
When is the first day of school for Calvert ISD in 2026-2027?
The first day of school for Calvert ISD is Monday, August 10, 2026.
When is the last day of school for Calvert ISD in 2026-2027?
The last day of school for Calvert ISD is Friday, May 21, 2027.
When is Thanksgiving break for Calvert ISD?
Calvert ISD has Thanksgiving break from November 23 through 27, 2026.
When is winter break for Calvert ISD?
Calvert ISD's winter break runs from December 21 through January 1.
When is spring break for Calvert ISD in 2026-2027?
Calvert ISD's spring break is March 8 through 12, 2027.
Does Calvert ISD have school on Labor Day?
No. Calvert ISD is closed for Labor Day on Monday, September 7, 2026.
