School Year Dates

Approved calendar Checked

Katy ISD school calendar 2027-28

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

Open the district's calendar (katyisd.org)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 Katy ISD or any other school district. Official calendar: katyisd.org.

First day
Fall 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 2027
SMTWTFS
1234567
891011 First day of school12 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 term31 Weekday in term
September 2027
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4
56 Weekday in term7 Weekday in term8 Weekday in term9 Weekday in term10 Weekday in term11
1213 Weekday in term14 Weekday in term15 Weekday in term16 Weekday in term17 Weekday in term18
1920 Weekday in term21 Weekday in term22 Weekday in term23 Weekday in term24 Weekday in term25
2627 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term
October 2027
SMTWTFS
1 Weekday in term2
34 Weekday in term5 Weekday in term6 Weekday in term7 Weekday in term8 Fall break9 Fall break
10 Fall break11 Fall break12 Fall break13 Weekday in term14 Weekday in term15 Weekday in term16
1718 Weekday in term19 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
November 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 Weekday in term16 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
2829 Weekday in term30 Weekday in term
December 2027
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4
56 Weekday in term7 Weekday in term8 Weekday in term9 Weekday in term10 Weekday in term11
1213 Weekday in term14 Weekday in term15 Weekday in term16 Weekday in term17 Weekday in term18
1920 Weekday in term21 Weekday in term22 Weekday in term23 Weekday in term24 Weekday in term25
2627 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term31 Weekday in term
January 2028
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 Weekday in term27 Weekday in term28 Weekday in term29
3031 Weekday in term
February 2028
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 Weekday in term22 Weekday in term23 Weekday in term24 Weekday in term25 Weekday in term26
2728 Weekday in term29 Weekday in term
March 2028
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4
56 Weekday in term7 Weekday in term8 Weekday in term9 Weekday in term10 Weekday in term11
1213 Spring break14 Spring break15 Spring break16 Spring break17 Spring break18
1920 Weekday in term21 Weekday in term22 Weekday in term23 Weekday in term24 Weekday in term25
2627 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term31 Weekday in term
April 2028
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 Weekday in term27 Weekday in term28 Weekday in term29
30
May 2028
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 Weekday in term16 Weekday in term17 Weekday in term18 Weekday in term19 Weekday in term20
2122 Weekday in term23 Weekday in term24 Last day of school252627
28293031

The 2027-28 year in words

Students in Katy ISD go back on . The year ends on , roughly 41 weeks later, with 198 potential weekdays in between after only the days off listed here are counted out. 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.

There are 2 breaks on the calendar. Students are off for Fall break from to , 5 days counting weekends and 3 weekdays counting Monday through Friday. Spring break: to , which is 5 days and 5 weekdays without classes. Fall break is the longest break, 5 days from start to finish.

The longest run without a listed closure runs to , covering 108 potential weekdays after excluding only the exceptions recorded here.

Among the 3 Texas districts on this site, Katy ISD starts earlier than 0 and later than 1, on the same day as 1 other. The median first day in the group is . The earliest first day on the site in Texas is (Northside ISD) and the latest is (Katy ISD).

The source describes this calendar as approved. Approved calendars still change: weather days, board votes and contract settlements can move dates, so confirm anything you are planning around.

The dates come from a web page at katyisd.org, last read on . Use the link on this page to open the district's own calendar and confirm.

Dates in detail

Breaks
BreakStartsEndsDaysWeekdays
Fall break53
Spring break55
Potential weekdays by month, after listed exceptions
MonthPotential weekdays
August 202715
September 202722
October 202718
November 202722
December 202723
January 202821
February 202821
March 202818
April 202820
May 202818

Where these dates come from

Source: katyisd.org (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.

See the 2026-27 calendar for Katy ISD

Other Texas districts

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

All Texas districts