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Katy ISD School TX Calendar 26-27

2026/27
Texas
7 teacher days

The Katy ISD School 2026–27 school year runs from Aug 12, 2026 to May 14, 2027. Breaks include Thanksgiving break Nov 23-27 and spring break Mar 8-12. The table below lists all teacher workdays, early release days, and holidays. Download the PDF calendar, or read the FAQs.

School year starts Wed, Aug 12, 2026 First Day of School and Fall Semester

School year ends Thu, May 20, 2027 Early Dismissal and Last Day of School

Next key date Wed, Aug 12, 2026 Counts down once the school year is under way

Katy ISD School 2026-27 calendar

Select a thumbnail to open it full size, zoom in, or download it.

Katy ISD School school year calendar

Every published date for 2026–27, colour-coded by what happens that day.

First day of school
Last day of school
Holiday - school closed
Break / vacation
Teacher / professional day
Early release / half day
Other scheduled date

August 2026

SMTWTFS 12345678910111213141516171819202122232425262728293031

Aug 3, 2026 — Campus Day
Aug 4-5, 2026 — District Professional Learning Days
Aug 6-11, 2026 — Campus Days
Aug 12, 2026 — First Day of School and Fall Semester

September 2026

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Sep 7, 2026 — Holiday • Students and Staff
Sep 18, 2026 — Campus Professional Learning Day • No Students
Sep 21, 2026 — 2nd Secondary Grading Cycle Begins

October 2026

SMTWTFS 12345678910111213141516171819202122232425262728293031

Oct 9, 2026 — Campus Professional Learning Day • No Students
Oct 12, 2026 — Holiday • Students and Staff
Oct 19, 2026 — 2nd Elementary Grading Cycle Begins
Oct 30, 2026 — Campus Professional Learning Day • No Students

November 2026

SMTWTFS 123456789101112131415161718192021222324252627282930

Nov 2, 2026 — 3rd Secondary Grading Cycle Begins
Nov 23-27, 2026 — Thanksgiving Holiday • Students and Staff

December 2026

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Dec 18, 2026 — Early Dismissal and End of Semester
Dec 21-31, 2026 — Winter Holiday • Students and Staff

January 2027

SMTWTFS 12345678910111213141516171819202122232425262728293031

Jan 1, 2027 — Winter Holiday • Students and Staff
Jan 4, 2027 — Campus Day • No Students
Jan 5, 2027 — First Day of Spring Semester
Jan 18, 2027 — Holiday • Students and Staff

February 2027

SMTWTFS 12345678910111213141516171819202122232425262728

Feb 15, 2027 — Campus Professional Learning Day • No Students
Feb 16, 2027 — 5th Secondary Grading Cycle Begins

March 2027

SMTWTFS 12345678910111213141516171819202122232425262728293031

Mar 8-12, 2027 — Spring Break • Students and Staff
Mar 15, 2027 — 4th Elementary Grading Cycle Begins
Mar 26, 2027 — Holiday • Students and Staff

April 2027

SMTWTFS 123456789101112131415161718192021222324252627282930

Apr 2, 2027 — Campus Professional Learning Day • No Students
Apr 5, 2027 — 6th Secondary Grading Cycle Begins

May 2027

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May 14, 2027 — Last Day of School for Graduating Seniors
May 20, 2027 — Early Dismissal and Last Day of School
May 21, 2027 — Campus Day
May 31, 2027 — Holiday • Staff

June 2027

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Jun 18, 2027 — Holiday • Staff

July 2027

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Katy ISD School teacher and staff days 2026/27

Students normally stay home on these days. Confirm with the district before making plans.

Jul 28-30, 2026 New Teacher Orientation Days District source
Aug 4-5, 2026 District Professional Learning Days District source
Sep 18, 2026 Campus Professional Learning Day • No Students District source
Oct 9, 2026 Campus Professional Learning Day • No Students District source
Oct 30, 2026 Campus Professional Learning Day • No Students District source
Feb 15, 2027 Campus Professional Learning Day • No Students District source
Apr 2, 2027 Campus Professional Learning Day • No Students District source

Katy ISD School breaks and holidays

School is closed to students on these dates.

Jul 1-2, 2026 District and Campuses Closed to the Public Holiday
Jul 3, 2026 Holiday • Staff Holiday
Sep 7, 2026 Holiday • Students and Staff Holiday
Oct 12, 2026 Holiday • Students and Staff Holiday
Nov 23-27, 2026 Thanksgiving Holiday • Students and Staff Holiday
Dec 21-31, 2026 Winter Holiday • Students and Staff Holiday
Jan 1, 2027 Winter Holiday • Students and Staff Holiday
Jan 18, 2027 Holiday • Students and Staff Holiday
Mar 8-12, 2027 Spring Break • Students and Staff Break
Mar 26, 2027 Holiday • Students and Staff Holiday
May 31, 2027 Holiday • Staff Holiday
Jun 18, 2027 Holiday • Staff Holiday

Your checked 2026/27 Katy ISD School planning calendar

How these dates are put together, and what to double-check before you book anything.

Useful now35 published dates for the 2026–27 school year, laid out month by month.

CheckedTaken from the district’s own published calendar, not retyped from memory.

Kept currentLast updated April 29, 2026.

Full term dates table

Katy ISD School 2026–27 calendar dates

Date	Event
Jul 1-2, 2026	District and Campuses Closed to the Public
Jul 3, 2026	Holiday • Staff
Jul 28-30, 2026	New Teacher Orientation Days
Jul 31, 2026	Teacher Start Date • 100 and 101 Pay Grade Employee Flex Day
Aug 3, 2026	Campus Day
Aug 4-5, 2026	District Professional Learning Days
Aug 6-11, 2026	Campus Days
Aug 12, 2026	First Day of School and Fall Semester
Sep 7, 2026	Holiday • Students and Staff
Sep 18, 2026	Campus Professional Learning Day • No Students
Sep 21, 2026	2nd Secondary Grading Cycle Begins
Oct 9, 2026	Campus Professional Learning Day • No Students
Oct 12, 2026	Holiday • Students and Staff
Oct 19, 2026	2nd Elementary Grading Cycle Begins
Oct 30, 2026	Campus Professional Learning Day • No Students
Nov 2, 2026	3rd Secondary Grading Cycle Begins
Nov 23-27, 2026	Thanksgiving Holiday • Students and Staff
Dec 18, 2026	Early Dismissal and End of Semester
Dec 21-31, 2026	Winter Holiday • Students and Staff
Jan 1, 2027	Winter Holiday • Students and Staff
Jan 4, 2027	Campus Day • No Students
Jan 5, 2027	First Day of Spring Semester
Jan 18, 2027	Holiday • Students and Staff
Feb 15, 2027	Campus Professional Learning Day • No Students
Feb 16, 2027	5th Secondary Grading Cycle Begins
Mar 8-12, 2027	Spring Break • Students and Staff
Mar 15, 2027	4th Elementary Grading Cycle Begins
Mar 26, 2027	Holiday • Students and Staff
Apr 2, 2027	Campus Professional Learning Day • No Students
Apr 5, 2027	6th Secondary Grading Cycle Begins
May 14, 2027	Last Day of School for Graduating Seniors
May 20, 2027	Early Dismissal and Last Day of School
May 21, 2027	Campus Day
May 31, 2027	Holiday • Staff
Jun 18, 2027	Holiday • Staff

Katy Independent School District Calendar 2026–2027 – FAQs

When is the first day of school in Katy Independent School District for the 2026–2027 calendar year?

The first day of school in Katy Independent School District for the 2026–2027 calendar year is August 12, 2026.

When is spring break in Katy Independent School District for 2026–2027?

Spring break in Katy Independent School District is scheduled from March 8 to March 12, 2027.

When is Christmas break in Katy Independent School District?

Christmas break in Katy Independent School District begins on December 21 and continues through December 31, 2026.

When is winter break in Katy Independent School District?

Winter break in Katy Independent School District runs from December 21, 2026 through January 1, 2027.

When is Thanksgiving break in Katy Independent School District?

Thanksgiving break in Katy Independent School District is observed from November 23 to November 27, 2026.

When is the last day of school in Katy Independent School District for 2026–2027?

The last day of school for students in Katy Independent School District is May 20, 2027, with an early dismissal.

Are there any student holidays during the fall semester in the 2026–2027 school year?

Yes, student holidays during the fall semester include September 7, 2026 and October 12, 2026, along with the Thanksgiving break from November 23–27, 2026.

Are there professional learning days with no students in Katy Independent School District?

Yes, campus professional learning days with no students are scheduled on September 18, October 9, October 30, 2026, February 15, and April 2, 2027.

When does the spring semester begin in Katy Independent School District?

The spring semester in Katy Independent School District begins on January 5, 2027.

Useful next steps

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Katy ISD School calendar FAQs

When is the first day of school in Katy Independent School District for the 2026–2027 calendar year?

The first day of school in Katy Independent School District for the 2026–2027 calendar year is August 12, 2026.

When is spring break in Katy Independent School District for 2026–2027?

Spring break in Katy Independent School District is scheduled from March 8 to March 12, 2027.

When is Christmas break in Katy Independent School District?

Christmas break in Katy Independent School District begins on December 21 and continues through December 31, 2026.

When is winter break in Katy Independent School District?

Winter break in Katy Independent School District runs from December 21, 2026 through January 1, 2027.

When is Thanksgiving break in Katy Independent School District?

Thanksgiving break in Katy Independent School District is observed from November 23 to November 27, 2026.

When is the last day of school in Katy Independent School District for 2026–2027?

The last day of school for students in Katy Independent School District is May 20, 2027, with an early dismissal.

Are there any student holidays during the fall semester in the 2026–2027 school year?

Yes, student holidays during the fall semester include September 7, 2026 and October 12, 2026, along with the Thanksgiving break from November 23–27, 2026.

Are there professional learning days with no students in Katy Independent School District?

Yes, campus professional learning days with no students are scheduled on September 18, October 9, October 30, 2026, February 15, and April 2, 2027.

When does the spring semester begin in Katy Independent School District?

The spring semester in Katy Independent School District begins on January 5, 2027.

Dates can change after publication. Read our calendar disclaimer.