School Year Dates

Approved calendar Checked

Arlington 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 (aisd.net)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 Arlington ISD or any other school district. Official calendar: aisd.net.

First day
Student & Staff Holiday
to
Student & Staff Holiday
to
Student Holiday
to
Student & Staff Holiday
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
234 Campus Professional Learning/Teacher Prep Day5 Staff Professional Learning Day6 Staff Professional Learning Day7 Teacher Prep Day8
910 Teacher Prep Day11 Teacher Prep Day12 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 Student Holiday9 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 Student Holiday/Parent Conferences10
1112 Student & Staff 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 Student & Staff Holiday3 Student Holiday4 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 Student & Staff Holiday24 Student & Staff Holiday25 Student & Staff Holiday26 Student & Staff Holiday27 Student & Staff Holiday28
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 Early Dismissal19
2021 Student & Staff Holiday22 Student & Staff Holiday23 Student & Staff Holiday24 Student & Staff Holiday25 Student & Staff Holiday26 Student & Staff Holiday
27 Student & Staff Holiday28 Student & Staff Holiday29 Student & Staff Holiday30 Student & Staff Holiday31 Student & Staff Holiday
January 2027
SMTWTFS
1 Student & Staff Holiday2
34 Student Holiday5 Student Holiday6 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 Student Holiday/Parent Conferences13
1415 Student & Staff Holiday16 Student Holiday17 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 Weekday in term9 Weekday in term10 Weekday in term11 Weekday in term12 Weekday in term13
1415 Student & Staff Holiday16 Student & Staff Holiday17 Student & Staff Holiday18 Student & Staff Holiday19 Student & Staff Holiday20
2122 Weekday in term23 Weekday in term24 Weekday in term25 Weekday in term26 Student & Staff Holiday/Bad Weather Makeup Day27
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 Student & Staff Holiday/Bad Weather Makeup Day24
2526 Weekday in term27 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term
May 2027
SMTWTFS
1
23 Weekday in term4 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 Last Day of School/Early Dismissal; Last day of school2728 Staff Exchange Day29
3031

The 2026-27 year in words

Classes for Arlington ISD run from until . End to end that is roughly 41 weeks, and after the breaks, holidays and teacher workdays are removed, 172 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 three to the Wednesday finish.

4 breaks are marked on the calendar. Student & Staff Holiday: to , which is 5 days and 5 weekdays without classes. Student & Staff Holiday: to , which is 12 days and 10 weekdays without classes. Student Holiday runs through : 2 days off the calendar, 2 of them weekdays. Student & Staff Holiday runs through : 5 days off the calendar, 5 of them weekdays. The longest is Student & Staff Holiday at 12 days.

The longest run without a listed closure runs to , covering 23 potential weekdays after excluding only the exceptions recorded here. Based only on the exceptions listed here, there are 82 potential weekdays before winter break and 90 after it.

Outside the breaks, 12 holidays are listed: Student & Staff Holiday (), Student Holiday (), Student Holiday/Parent Conferences (), Student & Staff Holiday (), Student & Staff Holiday (), Student Holiday (), Student & Staff Holiday () and Student Holiday/Parent Conferences (), and 4 more. For a three-day weekend, look at Student & Staff Holiday, Student Holiday/Parent Conferences, Student & Staff Holiday, Student & Staff Holiday, Student & Staff Holiday, Student Holiday/Parent Conferences, Student & Staff Holiday, Student & Staff Holiday/Bad Weather Makeup Day and Student & Staff Holiday/Bad Weather Makeup Day, which sit next to a weekend.

7 teacher workdays without students are listed, the first on and the last on . Early-release days: Early Dismissal () and Last Day of School/Early Dismissal ().

Among the 17 Texas districts on this site, Arlington ISD starts earlier than 4 and later than 5, on the same day as 7 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).

This calendar is marked as approved in the source. Even so, districts revise approved calendars when storms, elections or board decisions require it.

We read these dates from a web page on aisd.net on . We summarize dates only; the district's own calendar is the version that counts.

Dates in detail

Breaks
BreakStartsEndsDaysWeekdays
Student & Staff Holiday55
Student & Staff Holiday1210
Student Holiday22
Student & Staff Holiday55
Holidays
DayDate
Student & Staff Holiday
Student Holiday
Student Holiday/Parent Conferences
Student & Staff Holiday
Student & Staff Holiday
Student Holiday
Student & Staff Holiday
Student Holiday/Parent Conferences
Student & Staff Holiday
Student Holiday
Student & Staff Holiday/Bad Weather Makeup Day
Student & Staff Holiday/Bad Weather Makeup Day
Teacher workdays (no students)
DayDate
Campus Professional Learning/Teacher Prep Day
Staff Professional Learning Day
Staff Professional Learning Day
Teacher Prep Day
Teacher Prep Day
Teacher Prep Day
Staff Exchange Day
Early release
DayDate
Early Dismissal
Last Day of School/Early Dismissal
Potential weekdays by month, after listed exceptions
MonthPotential weekdays
August 202614
September 202620
October 202620
November 202614
December 202614
January 202717
February 202717
March 202717
April 202721
May 202718

Where these dates come from

Source: aisd.net (a web page), 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 Arlington ISD, with their own calendars on this site:

All Texas districts