Alief ISD Calendar 2026-2027

Harris County · Houston area (Region 4)

First day of schoolAugust 12, 2026
Fall breakOctober 7–12, 2026
Thanksgiving breakNovember 23–27, 2026
Winter breakDecember 21, 2026 – January 4, 2027
Spring breakMarch 8–15, 2027
Last day of schoolMay 27, 2027

Last updated September 18, 2026

Interactive calendar

Browse the key dates month by month — colored markers show each event.

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Alief ISD Calendar for the Year 26-27

Alief ISD Calendar for the Year 26-27 — key dates

https://www.aliefisd.net — Source: Alief ISD (aliefisd.net) ↗

First day: Wednesday, August 12, 2026

Calendar Dates

Professional DaysAug 3 — Aug 11Teacher Day
First Day of SchoolAug 12, 2026School Opens
Student/Staff HolidaySep 7, 2026No School
First marking period ends (39 days)Oct 6, 2026Grading
Fall BreakOct 7 — Oct 9No School
Student HolidayOct 12, 2026No School
Second marking period beginsOct 13, 2026Grading
Thanksgiving BreakNov 23 — Nov 27No School
Second marking period ends (44 days)Dec 18, 2026Grading
Winter BreakDec 21 — Jan 1No School
Student HolidayJan 4, 2027No School
Third marking period beginsJan 5, 2027Grading
Student/Staff HolidayJan 18, 2027No School
Student/Staff HolidayFeb 15, 2027No School
Third marking period ends (42 days)Mar 5, 2027Grading
Spring BreakMar 8 — Mar 12No School
Student HolidayMar 15, 2027No School
Fourth marking period begins (51 days to May 27)Mar 16, 2027Grading
Student/Staff HolidayMar 26, 2027No School
Student/Staff HolidayMay 3, 2027No School
Last Day of SchoolMay 27, 2027School Closes
Professional DayMay 28, 2027Teacher Day

Frequently asked questions

When is the first day of school for Alief ISD in 2026-2027?

The first day of school for Alief ISD is Wednesday, August 12, 2026.

When is the last day of school for Alief ISD in 2026-2027?

The last day of school for Alief ISD is Thursday, May 27, 2027.

When is Thanksgiving break for Alief ISD?

Alief ISD has Thanksgiving break from November 23 through 27, 2026.

When is winter break for Alief ISD?

Alief ISD's winter break runs from December 21 through January 4.

When is spring break for Alief ISD in 2026-2027?

Alief ISD's spring break is March 8 through 15, 2027.

When is fall break for Alief ISD?

Alief ISD has a fall break from October 7 through 12, 2026.