Katy ISD school calendar
Next day off and break: Fall break, Friday, October 9 to Tuesday, October 13.
2026–27 at a glance
The dates families usually look for first.
- First day
- Aug 12
- October days off
- Oct 9–13
- Spring break
- Mar 8–12
- Last day
- May 26
What happens in Mavo
One read-only school calendar that rolls forward each year.
Create your free account, name your family home, and add this school calendar. Mavo opens the next school date so you can add who’s handling it. When Katy ISD publishes another school year, it appears in the same linked calendar.
The source controls the schedule, so synced dates stay read-only. You can still add the family details Mavo knows about—who’s handling it, attendance, place, notes, and a clearer title.
One school calendar is included on Free. Everyday includes more school calendars and other outside calendar links.
Your school dates in Mavo
Katy ISD school calendar
First day of school
Katy ISD 2026–27 · Read-only
Grading cycles begin
Katy ISD 2026–27 · Read-only
Holiday
Katy ISD 2026–27 · Read-only
First secondary grading cycle ends
Katy ISD 2026–27 · Read-only
Free calendar updates
Add the Katy ISD calendar
Includes 2026–27 and 2027–28. We add each new school year after Katy ISD publishes it.
Full district calendar
Current and upcoming Katy ISD dates
Staff-only summer work days are left out. Student holidays caused by staff development are included because they change the family schedule.
Current calendar
2026–27 student dates
- School date
First day of school
First day of school and fall semester.
- School date
Grading cycles begin
First elementary and secondary grading cycles begin.
- No school
Holiday
Students and staff are off; no school.
- School date
First secondary grading cycle ends
The first secondary grading cycle ends.
- No school
Campus professional learning day
Campus professional learning day; students do not attend.
- School date
Second secondary grading cycle begins
The second secondary grading cycle begins.
- School date
First elementary grading cycle ends
The first elementary grading cycle ends.
- No school
Fall break
Fall break; students and staff are off.
- School date
Second elementary grading cycle begins
The second elementary grading cycle begins.
- No school
Campus professional learning day
Campus professional learning day; students do not attend.
- School date
Second secondary grading cycle ends
The second secondary grading cycle ends.
- No school
Campus professional learning day
Campus professional learning day; students do not attend.
- School date
Third secondary grading cycle begins
The third secondary grading cycle begins.
- No school
Holiday break
Students and staff are off for the holiday.
- Early release
Early dismissal and semester end
Early dismissal and end of the semester.
- School date
Grading cycles end
The second elementary and third secondary grading cycles end.
- No school
Winter break
Winter break; students and staff are off through January 1.
- No school
Campus day
Campus day; students do not attend.
- School date
First day of spring semester
First day of the spring semester.
- School date
Grading cycles begin
The third elementary and fourth secondary grading cycles begin.
- No school
Holiday
Students and staff are off; no school.
- School date
Fourth secondary grading cycle ends
The fourth secondary grading cycle ends.
- No school
Campus professional learning day
Campus professional learning day; students do not attend.
- No school
Holiday
Students and staff are off; no school.
- School date
Fifth secondary grading cycle begins
The fifth secondary grading cycle begins.
- No school
Spring break
Spring break; students and staff are off.
- School date
Third elementary grading cycle ends
The third elementary grading cycle ends.
- School date
Fourth elementary grading cycle begins
The fourth elementary grading cycle begins.
- No school
Holiday break
Students and staff are off for the holiday.
- School date
Fifth secondary grading cycle ends
The fifth secondary grading cycle ends.
- No school
Campus professional learning day
Campus professional learning day; students do not attend.
- School date
Sixth secondary grading cycle begins
The sixth secondary grading cycle begins.
- Early release
Early dismissal and last day of school
Early dismissal and last day of school.
- School date
Grading cycles end
The fourth elementary and sixth secondary grading cycles end.
Upcoming calendar
2027–28 student dates
- School date
First day of school
First day of school and fall semester; elementary and secondary grading cycles begin.
- No school
Holiday
Students and staff holiday; no school.
- School date
1st secondary grading cycle ends
First secondary grading cycle ends.
- No school
No school
Campus professional learning day; students do not attend.
- School date
2nd secondary grading cycle begins
Second secondary grading cycle begins.
- School date
1st elementary grading cycle ends
First elementary grading cycle ends.
- No school
Fall break
Fall break; students and staff are off through October 12.
- School date
2nd elementary grading cycle begins
Second elementary grading cycle begins.
- No school
No school
Campus professional learning day; students do not attend.
- School date
2nd secondary grading cycle ends
Second secondary grading cycle ends.
- No school
No school
Campus professional learning day; students do not attend.
- School date
3rd secondary grading cycle begins
Third secondary grading cycle begins.
- No school
Holiday break
Holiday; students and staff are off through November 26.
- Early release
Early dismissal and end of semester
Early dismissal and end of fall semester; second elementary and third secondary grading cycles end.
- No school
Winter break
Winter break; students and staff are off through December 31.
- No school
No school
Campus day; students do not attend.
- School date
First day of spring semester
First day of spring semester; third elementary and fourth secondary grading cycles begin.
- No school
Holiday
Holiday; students and staff are off.
- School date
4th secondary grading cycle ends
Fourth secondary grading cycle ends.
- No school
No school
Campus professional learning day; students do not attend.
- School date
5th secondary grading cycle begins
Fifth secondary grading cycle begins.
- No school
Holiday
Holiday; students and staff are off.
- No school
No school
Campus professional learning day; students do not attend.
- No school
Spring break
Spring break; students and staff are off through March 17.
- School date
Grading cycles end
Third elementary and fifth secondary grading cycles end.
- School date
4th elementary grading cycle begins
Fourth elementary grading cycle begins.
- School date
5th secondary grading cycle ends
Fifth secondary grading cycle ends.
- School date
6th secondary grading cycle begins
Sixth secondary grading cycle begins.
- No school
Holiday break
Holiday; students and staff are off through April 17.
- Early release
Early dismissal and last day of school
Early dismissal and last day of school; fourth elementary and sixth secondary grading cycles end.
- No school
No school
Campus day after the printed last day of school; students do not attend.
Recognizable source. Easier calendar.
This page is an independent convenience copy. Katy ISD's PDFs remain the source of truth, and dates can change after publication.
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Free calendar updates
Add the Katy ISD calendar
Includes 2026–27 and 2027–28. We add each new school year after Katy ISD publishes it.