- First day of schoolAugust 12, 2026
- Labor DaySeptember 7, 2026
- Thanksgiving breakNovember 25–27, 2026
- Winter breakDecember 21, 2026 – January 1, 2027
- MLK Jr. DayJanuary 18, 2027
- Spring breakMarch 8–12, 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: Wednesday, August 12, 2026
Calendar Dates
- New Employee OrientationAug 3 — Aug 4Teacher Day
- Staff Professional DevelopmentAug 5 — Aug 7Teacher Day
- Staff Professional DevelopmentAug 10, 2026Teacher Day
- Staff Work DayAug 11, 2026Teacher Day
- First Day of School / 1st Six Weeks BeginsAug 12, 2026School Opens
- Labor DaySep 7, 2026No School
- 1st Six Weeks EndsSep 18, 2026Grading
- Teacher Professional Development / Work Day (PLC)Sep 21, 2026Teacher Day
- 2nd Six Weeks BeginsSep 22, 2026Grading
- Columbus DayOct 12, 2026Event
- Open Football HolidayOct 23, 2026No School
- 2nd Six Weeks EndsOct 30, 2026Grading
- Teacher Professional Development / Work Day (PLC)Nov 2, 2026Teacher Day
- 3rd Six Weeks BeginsNov 3, 2026Grading
- Alternate Staff Development DaysNov 23 — Nov 24Teacher Day
- Thanksgiving BreakNov 25 — Nov 27No School
- STAAR Testing Window BeginsNov 30, 2026Event
- SISD UIL Hosting - No SchoolDec 2, 2026No School
- STAAR Testing Window EndsDec 11, 2026Event
- 3rd Six Weeks Ends / 1st Semester EndsDec 18, 2026Grading
- Christmas HolidayDec 21 — Dec 31No School
- Christmas Holiday / Winter BreakDec 21 — Jan 1No School
- New Year HolidayJan 1, 2027No School
- Teacher Professional Development / Work Day (PLC)Jan 4, 2027Teacher Day
- 4th Six Weeks Begins / 2nd Semester BeginsJan 5, 2027Grading
- Martin Luther King DayJan 18, 2027No School
- 4th Six Weeks EndsFeb 11, 2027Grading
- Teacher Professional Development / Work Day (PLC)Feb 12, 2027Teacher Day
- Flex Day (Weather/Virus)Feb 15, 2027Event
- 5th Six Weeks BeginsFeb 16, 2027Grading
- Teacher Professional Development / Work Day (PLC)Mar 5, 2027Teacher Day
- Spring BreakMar 8 — Mar 12No School
- Good FridayMar 26, 2027No School
- Flex Day (Weather/Virus)Mar 29, 2027Event
- 5th Six Weeks EndsApr 2, 2027Grading
- 6th Six Weeks BeginsApr 5, 2027Grading
- Flex Day (Weather/Virus)Apr 30, 2027Event
- Flex Day (Weather/Virus)May 7, 2027Event
- Flex Day (Weather/Virus)May 14, 2027Event
- Last Day of Class / 6th Six Weeks EndsMay 20, 2027Grading
- Last Day of SchoolMay 20, 2027School Closes
- GraduationMay 21, 2027Event
- High School GraduationMay 21, 2027Event
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Frequently asked questions
When is the first day of school for Stamford ISD in 2026-2027?
The first day of school for Stamford ISD is Wednesday, August 12, 2026.
When is the last day of school for Stamford ISD in 2026-2027?
The last day of school for Stamford ISD is Thursday, May 20, 2027.
When is Thanksgiving break for Stamford ISD?
Stamford ISD has Thanksgiving break from November 25 through 27, 2026.
When is winter break for Stamford ISD?
Stamford ISD's winter break runs from December 21 through January 1.
When is spring break for Stamford ISD in 2026-2027?
Stamford ISD's spring break is March 8 through 12, 2027.
Does Stamford ISD have school on Martin Luther King Jr. Day?
No. Stamford ISD is closed for Martin Luther King Jr. Day on Monday, January 18, 2027.
Does Stamford ISD have school on Labor Day?
No. Stamford ISD is closed for Labor Day on Monday, September 7, 2026.
