- First day of schoolAugust 11, 2026
- Labor DaySeptember 7, 2026
- Thanksgiving breakNovember 23–27, 2026
- Winter breakDecember 21, 2026 – January 4, 2027
- MLK Jr. DayJanuary 18, 2027
- Spring breakMarch 8–12, 2027
- Last day of schoolMay 14, 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 Comp DayAug 3, 2026Teacher Day
- Staff Development DaysAug 4 — Aug 10Teacher Day
- 1st Nine Weeks BeginsAug 11, 2026Grading
- First Day of SchoolAug 11, 2026School Opens
- Friday Early ReleaseAug 14, 2026Early Release
- Friday Early ReleaseAug 21, 2026Early Release
- Friday Early ReleaseAug 28, 2026Early Release
- Friday Early ReleaseSep 4, 2026Early Release
- Labor DaySep 7, 2026No School
- Friday Early ReleaseSep 11, 2026Early Release
- Friday Early ReleaseSep 18, 2026Early Release
- Friday Early ReleaseSep 25, 2026Early Release
- Friday Early ReleaseOct 2, 2026Early Release
- 1st Nine Weeks EndsOct 9, 2026Grading
- Friday Early ReleaseOct 9, 2026Early Release
- Staff Development DayOct 12, 2026Teacher Day
- 2nd Nine Weeks BeginsOct 13, 2026Grading
- Friday Early ReleaseOct 16, 2026Early Release
- Friday Early ReleaseOct 23, 2026Early Release
- Friday Early ReleaseOct 30, 2026Early Release
- Friday Early ReleaseNov 6, 2026Early Release
- Friday Early ReleaseNov 13, 2026Early Release
- Friday Early ReleaseNov 20, 2026Early Release
- Thanksgiving BreakNov 23 — Nov 27No School
- Friday Early ReleaseDec 4, 2026Early Release
- Friday Early ReleaseDec 11, 2026Early Release
- 2nd Nine Weeks EndsDec 18, 2026Grading
- Friday Early ReleaseDec 18, 2026Early Release
- Christmas BreakDec 21 — Dec 31No School
- Christmas Break ContinuedJan 1 — Jan 4No School
- Staff Development DayJan 4, 2027Teacher Day
- 3rd Nine Weeks BeginsJan 5, 2027Grading
- Friday Early ReleaseJan 8, 2027Early Release
- Friday Early ReleaseJan 15, 2027Early Release
- Martin Luther King DayJan 18, 2027No School
- Friday Early ReleaseJan 22, 2027Early Release
- Friday Early ReleaseJan 29, 2027Early Release
- Friday Early ReleaseFeb 5, 2027Early Release
- Friday Early ReleaseFeb 12, 2027Early Release
- Staff Development DayFeb 15, 2027Teacher Day
- Friday Early ReleaseFeb 19, 2027Early Release
- Friday Early ReleaseFeb 26, 2027Early Release
- 3rd Nine Weeks EndsMar 5, 2027Grading
- Friday Early ReleaseMar 5, 2027Early Release
- Spring BreakMar 8 — Mar 12No School
- 4th Nine Weeks BeginsMar 15, 2027Grading
- Friday Early ReleaseMar 19, 2027Early Release
- Easter Holiday (Friday)Mar 26, 2027No School
- Easter Holiday (Monday)Mar 29, 2027No School
- Friday Early ReleaseApr 2, 2027Early Release
- Friday Early ReleaseApr 9, 2027Early Release
- Friday Early ReleaseApr 16, 2027Early Release
- Friday Early ReleaseApr 23, 2027Early Release
- School HolidayApr 30, 2027No School
- Friday Early ReleaseMay 7, 2027Early Release
- 4th Nine Weeks EndsMay 14, 2027Grading
- Friday Early Release / Last DayMay 14, 2027Early Release
- Graduation / Last Day of SchoolMay 14, 2027School Closes
- Staff Development DayMay 17, 2027Teacher Day
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Frequently asked questions
When is the first day of school for Seymour ISD in 2026-2027?
The first day of school for Seymour ISD is Tuesday, August 11, 2026.
When is the last day of school for Seymour ISD in 2026-2027?
The last day of school for Seymour ISD is Friday, May 14, 2027.
When is Thanksgiving break for Seymour ISD?
Seymour ISD has Thanksgiving break from November 23 through 27, 2026.
When is winter break for Seymour ISD?
Seymour ISD's winter break runs from December 21 through January 4.
When is spring break for Seymour ISD in 2026-2027?
Seymour ISD's spring break is March 8 through 12, 2027.
Does Seymour ISD have school on Martin Luther King Jr. Day?
No. Seymour ISD is closed for Martin Luther King Jr. Day on Monday, January 18, 2027.
Does Seymour ISD have school on Labor Day?
No. Seymour ISD is closed for Labor Day on Monday, September 7, 2026.
