- First day of schoolAugust 11, 2026
- Thanksgiving breakNovember 23–27, 2026
- Winter breakDecember 21, 2026 – January 1, 2027
- 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
- New Teacher OrientationJul 31, 2026Teacher Day
- Staff InserviceAug 3 — Aug 7Teacher Day
- Staff InserviceAug 10, 2026Teacher Day
- 1st Reporting Period BeginsAug 11, 2026Event
- First Day of SchoolAug 11, 2026School Opens
- Staff InserviceSep 7, 2026Teacher Day
- 1st Reporting Period EndsSep 18, 2026Event
- 2nd Reporting Period BeginsSep 21, 2026Event
- Staff InserviceOct 5, 2026Teacher Day
- 2nd Reporting Period EndsOct 29, 2026Event
- Staff Inservice Comp DayOct 30, 2026Teacher Day
- 3rd Reporting Period BeginsNov 2, 2026Event
- Thanksgiving BreakNov 23 — Nov 27No School
- State Assessment WindowDec 1 — Dec 11Event
- 3rd Reporting Period EndsDec 18, 2026Event
- Christmas BreakDec 21 — Dec 31No School
- Christmas BreakJan 1, 2027No School
- Staff InserviceJan 4, 2027Teacher Day
- 4th Reporting Period BeginsJan 5, 2027Event
- School HolidayJan 29, 2027No School
- Staff InserviceFeb 15, 2027Teacher Day
- 4th Reporting Period EndsFeb 17, 2027Event
- 5th Reporting Period BeginsFeb 18, 2027Event
- Spring BreakMar 15 — Mar 19No School
- Easter Holiday / Bad Weather DayMar 26, 2027No School
- State Assessment PeriodApr 6 — Apr 30Event
- 5th Reporting Period EndsApr 8, 2027Event
- 6th Reporting Period BeginsApr 9, 2027Event
- School Holiday / Bad Weather DayApr 26, 2027No School
- State Assessment PeriodMay 4 — May 14Event
- 6th Reporting Period EndsMay 20, 2027Event
- Last Day of SchoolMay 20, 2027School Closes
- Staff InserviceMay 21, 2027Teacher Day
- State Assessment WindowJun 22 — Jun 25Event
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Frequently asked questions
When is the first day of school for Mumford ISD in 2026-2027?
The first day of school for Mumford ISD is Tuesday, August 11, 2026.
When is the last day of school for Mumford ISD in 2026-2027?
The last day of school for Mumford ISD is Thursday, May 20, 2027.
When is Thanksgiving break for Mumford ISD?
Mumford ISD has Thanksgiving break from November 23 through 27, 2026.
When is winter break for Mumford ISD?
Mumford ISD's winter break runs from December 21 through January 1.
When is spring break for Mumford ISD in 2026-2027?
Mumford ISD's spring break is March 15 through 19, 2027.
