Katy ISD school calendar
The dates from Katy ISD’s official academic calendars, ready to add instead of retype. Add it once. We update it when Katy ISD publishes a new school calendar.
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.
Mavo checks the link, tells you how many events it found, then asks for a calendar name and color. 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.
Linked calendars are included with Mavo Everyday and higher.
Add external calendar
Katy ISD school calendar
First Day of School
Katy ISD 2026–27 · Read-only
Holiday
Katy ISD 2026–27 · Read-only
Secondary Grading Cycle Ends
Katy ISD 2026–27 · Read-only
Secondary Grading Cycle Begins
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 student day of the fall semester.
- No school
Holiday
No school for students and staff.
- School date
Secondary Grading Cycle Ends
End of the first secondary grading cycle.
- School date
Secondary Grading Cycle Begins
Beginning of the second secondary grading cycle.
- No school
Fall Break
No school for students and staff.
- School date
Elementary Grading Cycle Ends
End of the first elementary grading cycle.
- School date
Elementary Grading Cycle Begins
Beginning of the second elementary grading cycle.
- School date
Secondary Grading Cycle Ends
End of the second secondary grading cycle.
- School date
Secondary Grading Cycle Begins
Beginning of the third secondary grading cycle.
- No school
Holiday Break
No school for students and staff.
- Early release
Early Dismissal and End of Fall Semester
Early dismissal; end of the fall semester and grading period.
- No school
Winter Break
No school for students and staff.
- School date
First Day of Spring Semester
First student day of the spring semester.
- No school
Holiday
No school for students and staff.
- School date
Secondary Grading Cycle Ends
End of the fourth secondary grading cycle.
- No school
Holiday
No school for students and staff.
- School date
Secondary Grading Cycle Begins
Beginning of the fifth secondary grading cycle.
- No school
Spring Break
No school for students and staff.
- School date
Elementary Grading Cycle Ends
End of the third elementary grading cycle.
- School date
Elementary Grading Cycle Begins
Beginning of the fourth elementary grading cycle.
- No school
Holiday Break
No school for students and staff.
- School date
Secondary Grading Cycle Ends
End of the fifth secondary grading cycle.
- School date
Secondary Grading Cycle Begins
Beginning of the sixth secondary grading cycle.
- Early release
Early Dismissal and Last Day of School
Early dismissal and last student day of the school year; end of the final grading periods.
Upcoming calendar
2027–28 student dates
- School date
First Day of School
First student day of the 2027-2028 school year and fall semester.
- School date
1st Elementary Grading Cycle Begins
First elementary grading cycle begins.
- School date
1st Secondary Grading Cycle Begins
First secondary grading cycle begins.
- No school
Holiday
No school for students and staff.
- School date
1st Secondary Grading Cycle Ends
First secondary grading cycle ends.
- School date
2nd Secondary Grading Cycle Begins
Second secondary grading cycle begins.
- No school
Fall Break
No school for students and staff.
- School date
1st Elementary Grading Cycle Ends
First elementary grading cycle ends.
- School date
2nd Elementary Grading Cycle Begins
Second elementary grading cycle begins.
- School date
2nd Secondary Grading Cycle Ends
Second secondary grading cycle ends.
- School date
3rd Secondary Grading Cycle Begins
Third secondary grading cycle begins.
- No school
Holiday Break
No school for students and staff.
- Early release
End of Fall Semester
Early dismissal; fall semester ends.
- School date
Grading Cycles End
Second elementary grading cycle ends; third secondary grading cycle ends.
- No school
Winter Break
No school for students and staff.
- School date
3rd Secondary Grading Cycle Ends
Third secondary grading cycle ends.
- School date
First Day of Spring Semester
First student day of the spring semester.
- School date
3rd Elementary Grading Cycle Begins
Third elementary grading cycle begins.
- School date
4th Secondary Grading Cycle Begins
Fourth secondary grading cycle begins.
- No school
Holiday
No school for students and staff.
- School date
4th Secondary Grading Cycle Ends
Fourth secondary grading cycle ends.
- School date
5th Secondary Grading Cycle Begins
Fifth secondary grading cycle begins.
- No school
Holiday
No school for students and staff.
- No school
Spring Break
No school for students and staff.
- School date
3rd Elementary Grading Cycle Ends
Third elementary grading cycle ends.
- 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
No school for students and staff.
- Early release
Last Day of School
Early dismissal and last day of school.
- School date
Grading Cycles End
Fourth elementary grading cycle ends; sixth secondary grading cycle ends.
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.
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.