2026-27 Seguin ISD Calendar

The 2026-27 Seguin ISD Calendar (Seguin, TX) was converted to calendar events, saving everyone the duplicate effort of creating calendar events manually.

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August 2026

SISD: Student Holiday - Staff Development
Mon, Aug 3, 2026 - Tue, Aug 18, 2026
Student Holiday - Staff Development
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: Beginning/End of 9-Week Grading Period
Wed, Aug 19, 2026
Beginning/End of 9-Week Grading Period per calendar key
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: First Day of School
Wed, Aug 19, 2026
First Day of School
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.

September 2026

SISD: No School, District Holiday - Labor Day
Mon, Sep 7, 2026
District Holiday - Labor Day
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: No School for Students, Student Holiday - Staff Development
Mon, Sep 28, 2026
Student Holiday - Staff Development
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.

October 2026

SISD: No School, District Holiday
Fri, Oct 9, 2026
District Holiday
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: No School, District Holiday
Mon, Oct 12, 2026
District Holiday
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: Beginning/End of 9-Week Grading Period
Fri, Oct 16, 2026
Beginning/End of 9-Week Grading Period per calendar key
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: Beginning/End of 9-Week Grading Period
Mon, Oct 19, 2026
Beginning/End of 9-Week Grading Period per calendar key
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.

November 2026

SISD: No School, District Holiday - Thanksgiving Break
Mon, Nov 23, 2026 - Fri, Nov 27, 2026
District Holiday - Thanksgiving Break
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.

December 2026

SISD: Beginning/End of 9-Week Grading Period
Fri, Dec 18, 2026
Beginning/End of 9-Week Grading Period per calendar key
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: Early Release
Fri, Dec 18, 2026
Early Release. Also marked as Beginning/End of 9-Week Grading Period per calendar key.
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: No School, District Holiday - Winter Break
Mon, Dec 21, 2026 - Fri, Jan 1, 2027
District Holiday - Winter Break
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.

January 2027

SISD: No School for Students, Student Holiday - Staff Development
Mon, Jan 4, 2027 - Tue, Jan 5, 2027
Student Holiday - Staff Development
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: Beginning/End of 9-Week Grading Period
Wed, Jan 6, 2027
Beginning/End of 9-Week Grading Period per calendar key
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: No School, District Holiday - MLK Jr. Day
Mon, Jan 18, 2027
District Holiday - MLK Jr. Day
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.

February 2027

SISD: No School for Students, Student Holiday - Staff Development
Fri, Feb 12, 2027
Student Holiday - Staff Development
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: No School, District Holiday - Presidents’ Day
Mon, Feb 15, 2027
District Holiday - Presidents’ Day
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.

March 2027

SISD: Beginning/End of 9-Week Grading Period
Fri, Mar 5, 2027
Beginning/End of 9-Week Grading Period per calendar key
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: No School, District Holiday - Spring Break
Mon, Mar 8, 2027 - Fri, Mar 12, 2027
District Holiday - Spring Break
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: Beginning/End of 9-Week Grading Period
Mon, Mar 15, 2027
Beginning/End of 9-Week Grading Period per calendar key
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: No School, District Holiday - Good Friday
Fri, Mar 26, 2027
District Holiday - Good Friday
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: No School, District Holiday - Easter Monday
Mon, Mar 29, 2027
District Holiday - Easter Monday
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.

April 2027

SISD: No School, District Holiday
Fri, Apr 30, 2027
District Holiday
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.

May 2027

SISD: Beginning/End of 9-Week Grading Period
Thu, May 27, 2027
Beginning/End of 9-Week Grading Period per calendar key
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: Early Release - Last Day of School
Thu, May 27, 2027
Early Release - Last Day of School
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: Graduation
Fri, May 28, 2027
Graduation
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: Student Holiday - Staff Development
Fri, May 28, 2027
Student Holiday - Staff Development
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.
SISD: District Holiday
Mon, May 31, 2027
District Holiday
Created from the 2026-27 Seguin ISD Calendar, Seguin, TX.