For the 2026–2027 school year, the district serves 271 students across 1 schools in Mcmullen County, Texas. Classes begin Aug 4 and end May 19. All dates listed below are sourced from the district's official publications. Verify with Mcmullen County ISD before scheduling around them.
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Visual Calendar
Official Calendar Images
Official calendar scans for Mcmullen County ISD. Click any page to open the full-size image.
2026–2027
School Calendar
Interactive Calendar
Mcmullen County ISD's 2026–2027 academic calendar — holidays, breaks, and key dates.
2026–2027
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Current status
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🎒
School returns
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🍎
Upcoming teacher / no-school days
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Month by Month Calendar
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weekdays off across the year
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of those are one-off days needing cover
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longest break
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School Day
Holiday / No School
Break
Teacher Day
Early Release
First / Last Day
AUGUST 202619 days
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Staff Development Day
Aug 3
First Day of School
Aug 4
Six Weeks #1 Begins
Aug 4
SEPTEMBER 202621 days
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Labor Day Holiday
Sep 7
Six Weeks #1 Ends
Sep 18
Six Weeks #2 Begins
Sep 22
OCTOBER 202621 days
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Six Weeks #2 Ends
Oct 29
Staff Development Day
Oct 30
NOVEMBER 202616 days
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Six Weeks #3 Begins
Nov 2
Thanksgiving Break
Nov 23 — Nov 27
STAAR EOC Retest Period Starts
Nov 30
DECEMBER 202613 days
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Elem/JH UIL Students Only Day
Dec 2
STAAR EOC Retest Period Ends
Dec 11
Six Weeks #3 Ends
Dec 17
Early Release Day
Dec 17
Christmas Break
Dec 18 — Dec 31
JANUARY 202717 days
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Christmas Break (Cont.)
Jan 1 — Jan 3
Staff Development Day
Jan 4
Six Weeks #4 Begins
Jan 5
County Stock Show Holiday
Jan 21 — Jan 22
FEBRUARY 202720 days
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Six Weeks #4 Ends
Feb 12
Six Weeks #5 Begins
Feb 16
MARCH 202717 days
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Spring Break
Mar 15 — Mar 19
Good Friday
Mar 26
Easter Monday
Mar 29
APRIL 202722 days
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Six Weeks #5 Ends
Apr 2
Six Weeks #6 Begins
Apr 5
STAAR Testing Starts
Apr 5
STAAR Testing Ends
Apr 30
MAY 202712 days
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Six Weeks #6 Ends
May 19
Last Day of School
May 19
Early Release Day
May 19
Graduation
May 20
Staff Development Day
May 20
Key Dates 2026–2027
- Staff Development & Planning DaysJul 27 — Jul 31Teacher Day
- Staff Development DayAug 3, 2026Teacher Day
- First Day of SchoolAug 4, 2026School Opens
- Six Weeks #1 BeginsAug 4, 2026Event
- Labor Day HolidaySep 7, 2026No School
- Six Weeks #1 EndsSep 18, 2026Event
- Six Weeks #2 BeginsSep 22, 2026Event
- Six Weeks #2 EndsOct 29, 2026Event
- Staff Development DayOct 30, 2026Teacher Day
- Six Weeks #3 BeginsNov 2, 2026Event
- Thanksgiving BreakNov 23 — Nov 27No School
- STAAR EOC Retest Period StartsNov 30, 2026Event
- Elem/JH UIL Students Only DayDec 2, 2026Event
- STAAR EOC Retest Period EndsDec 11, 2026Event
- Six Weeks #3 EndsDec 17, 2026Event
- Early Release DayDec 17, 2026Early Release
- Christmas BreakDec 18 — Dec 31No School
- Christmas Break (Cont.)Jan 1 — Jan 3No School
- Staff Development DayJan 4, 2027Teacher Day
- Six Weeks #4 BeginsJan 5, 2027Event
- County Stock Show HolidayJan 21 — Jan 22No School
- Six Weeks #4 EndsFeb 12, 2027Event
- Six Weeks #5 BeginsFeb 16, 2027Event
- Spring BreakMar 15 — Mar 19No School
- Good FridayMar 26, 2027No School
- Easter MondayMar 29, 2027Event
- Six Weeks #5 EndsApr 2, 2027Event
- Six Weeks #6 BeginsApr 5, 2027Event
- STAAR Testing StartsApr 5, 2027Event
- STAAR Testing EndsApr 30, 2027Event
- Six Weeks #6 EndsMay 19, 2027Event
- Last Day of SchoolMay 19, 2027School Closes
- Early Release DayMay 19, 2027Early Release
- GraduationMay 20, 2027Event
- Staff Development DayMay 20, 2027Teacher Day
- STAAR/TAKS Retest PeriodJun 14 — Jun 25Event
Generated by CalendarStates.com · Always verify dates with your school district.
About the District
School Information
Details and contact information for Mcmullen County ISD.
Mcmullen County ISD
AddressP O BOX 359, Tilden, TX, 78072-0359
Phone(361) 274-2000
Websitemcisd.us
SuperintendentMr Jason Jones
Academic Facts
Students~271
Schools1+
Grade Range—
Instr. Days—
RegionMcmullen County
Sources and Checks
Where these dates come from
How the 2026–2027 Mcmullen County ISD calendar on this page was compiled and what to re-check before you rely on it.
Sources used
- ✓District publication. Dates are taken from the calendar Mcmullen County ISD published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against mcisd.us.
- ✓Board-approved version is used where the district marks one.
What we check
- ✓First and last day match the published calendar.
- ✓Breaks and holidays are listed with their full date ranges.
- ✓Teacher / no-school days are included where the district lists them.
- ✓Changes happen. Districts amend calendars mid-year — confirm with Mcmullen County ISD before booking around a date.
Common Questions
Frequently Asked Questions
Mcmullen County ISD Calendar 2026–2027 — important dates and answers.
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Recently Updated Calendars
Other Texas school district calendars — recently added or updated.