School Year Dates

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Alief ISD school calendar 2026-27

First day, last day, breaks, holidays and teacher workdays, read from the district's own calendar.

Open the district's calendar (aptg.co)Add to your calendar (.ics)

Independent site, not affiliated with any school district. School Year Dates is an independent publisher. We are not affiliated with, endorsed by or operated by Alief ISD or any other school district. Official calendar: aptg.co.

First day
Winter Break
to
Spring Break
to
Last day

Kindergarten, pre-K, individual grades and particular schools may have different start dates or schedules. Check the district calendar for your child's grade and school.

Unmarked weekdays and computed counts use only the breaks, holidays and teacher workdays listed here. Other closures may be missing, so these are potential weekdays, not verified days of attendance.

Month by month

  • Weekday in term
  • Break
  • Holiday
  • No students (teacher workday)
  • Early release
  • First day
  • Last day
August 2026
SMTWTFS
1
23 Professional Days45678
91011 Professional Days12 First day of school13 Weekday in term14 Weekday in term15
1617 Weekday in term18 Weekday in term19 Weekday in term20 Weekday in term21 Weekday in term22
2324 Weekday in term25 Weekday in term26 Weekday in term27 Weekday in term28 Weekday in term29
3031 Weekday in term
September 2026
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4 Weekday in term5
67 Student/Staff Holiday8 Weekday in term9 Weekday in term10 Weekday in term11 Weekday in term12
1314 Weekday in term15 Weekday in term16 Weekday in term17 Weekday in term18 Weekday in term19
2021 Weekday in term22 Weekday in term23 Weekday in term24 Weekday in term25 Weekday in term26
2728 Weekday in term29 Weekday in term30 Weekday in term
October 2026
SMTWTFS
1 Weekday in term2 Weekday in term3
45 Weekday in term6 Weekday in term7 Weekday in term8 Weekday in term9 Weekday in term10
1112 Student Holiday13 Weekday in term14 Weekday in term15 Weekday in term16 Weekday in term17
1819 Weekday in term20 Weekday in term21 Weekday in term22 Weekday in term23 Weekday in term24
2526 Weekday in term27 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term31
November 2026
SMTWTFS
12 Weekday in term3 Weekday in term4 Weekday in term5 Weekday in term6 Weekday in term7
89 Weekday in term10 Weekday in term11 Weekday in term12 Weekday in term13 Weekday in term14
1516 Weekday in term17 Weekday in term18 Weekday in term19 Weekday in term20 Weekday in term21
2223 Weekday in term24 Weekday in term25 Weekday in term26 Weekday in term27 Weekday in term28
2930 Weekday in term
December 2026
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4 Weekday in term5
67 Weekday in term8 Weekday in term9 Weekday in term10 Weekday in term11 Weekday in term12
1314 Weekday in term15 Weekday in term16 Weekday in term17 Weekday in term18 Weekday in term19
2021 Winter Break22 Winter Break23 Winter Break24 Winter Break25 Winter Break26 Winter Break
27 Winter Break28 Winter Break29 Winter Break30 Winter Break31 Winter Break
January 2027
SMTWTFS
1 Winter Break2
34 Student Holiday5 Weekday in term6 Weekday in term7 Weekday in term8 Weekday in term9
1011 Weekday in term12 Weekday in term13 Weekday in term14 Weekday in term15 Weekday in term16
1718 Student/Staff Holiday19 Weekday in term20 Weekday in term21 Weekday in term22 Weekday in term23
2425 Weekday in term26 Weekday in term27 Weekday in term28 Weekday in term29 Weekday in term30
31
February 2027
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4 Weekday in term5 Weekday in term6
78 Weekday in term9 Weekday in term10 Weekday in term11 Weekday in term12 Weekday in term13
1415 Student/Staff Holiday16 Weekday in term17 Weekday in term18 Weekday in term19 Weekday in term20
2122 Weekday in term23 Weekday in term24 Weekday in term25 Weekday in term26 Weekday in term27
28
March 2027
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4 Weekday in term5 Weekday in term6
78 Spring Break9 Spring Break10 Spring Break11 Spring Break12 Spring Break13
1415 Student Holiday16 Weekday in term17 Weekday in term18 Weekday in term19 Weekday in term20
2122 Weekday in term23 Weekday in term24 Weekday in term25 Weekday in term26 Student/Staff Holiday27
2829 Weekday in term30 Weekday in term31 Weekday in term
April 2027
SMTWTFS
1 Weekday in term2 Weekday in term3
45 Weekday in term6 Weekday in term7 Weekday in term8 Weekday in term9 Weekday in term10
1112 Weekday in term13 Weekday in term14 Weekday in term15 Weekday in term16 Weekday in term17
1819 Weekday in term20 Weekday in term21 Weekday in term22 Weekday in term23 Weekday in term24
2526 Weekday in term27 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term
May 2027
SMTWTFS
1
23 Student/Staff Holiday4 Weekday in term5 Weekday in term6 Weekday in term7 Weekday in term8
910 Weekday in term11 Weekday in term12 Weekday in term13 Weekday in term14 Weekday in term15
1617 Weekday in term18 Weekday in term19 Weekday in term20 Weekday in term21 Weekday in term22
2324 Weekday in term25 Weekday in term26 Weekday in term27 Last day of school28 Professional Day29
3031

The 2026-27 year in words

Classes for Alief ISD run from until . End to end that is roughly 41 weeks, and after the breaks, holidays and teacher workdays are removed, 184 potential weekdays remain, based only on the exceptions listed here. Because the year opens on a Wednesday, the first week contains three potential weekdays after listed closures; the final week contains four to the Thursday finish.

There are 2 breaks on the calendar. Winter Break starts and ends , a total of 12 days with 10 weekdays off. Spring Break starts and ends , a total of 5 days with 5 weekdays off. Winter Break is the longest break, 12 days from start to finish.

The longest stretch with no break, holiday or teacher workday listed here is 49 potential weekdays, from to . After subtracting listed closures, winter break divides the remaining potential weekdays into 91 before it and 93 after it.

8 other days off are marked as holidays: Student/Staff Holiday (), Student Holiday (), Student Holiday (), Student/Staff Holiday (), Student/Staff Holiday (), Student Holiday (), Student/Staff Holiday () and Student/Staff Holiday (). For a three-day weekend, look at Student/Staff Holiday, Student Holiday, Student Holiday, Student/Staff Holiday, Student/Staff Holiday, Student Holiday, Student/Staff Holiday and Student/Staff Holiday, which sit next to a weekend.

There is no school for students on the days set aside for teachers: Professional Days (), Professional Days () and Professional Day ().

Among the 20 Texas districts on this site, Alief ISD starts earlier than 5 and later than 6, on the same day as 8 others. The median first day in the group is . The earliest first day on the site in Texas is (Northside ISD) and the latest is (Edinburg CISD).

The source does not say whether the board has approved this calendar, so treat the dates as the district's current published plan and check before you commit to travel.

We read these dates from a PDF calendar on aptg.co on . We summarize dates only; the district's own calendar is the version that counts.

Dates in detail

Breaks
BreakStartsEndsDaysWeekdays
Winter Break1210
Spring Break55
Holidays
DayDate
Student/Staff Holiday
Student Holiday
Student Holiday
Student/Staff Holiday
Student/Staff Holiday
Student Holiday
Student/Staff Holiday
Student/Staff Holiday
Teacher workdays (no students)
DayDate
Professional Days
Professional Days
Professional Day
Potential weekdays by month, after listed exceptions
MonthPotential weekdays
August 202614
September 202621
October 202621
November 202621
December 202614
January 202718
February 202719
March 202716
April 202722
May 202718

Where these dates come from

Source: aptg.co (a PDF calendar), read on . Districts revise calendars after severe weather, board votes and contract settlements, so the district's own page is the version that counts. If a date here looks wrong, tell us and we will re-check the source. How we check.

Other Texas districts

Districts in Texas close in size to Alief ISD, with their own calendars on this site:

All Texas districts