2026-27 Sheldon ISD Calendar

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

Add these events to your calendar

Visit https://agendahero.com/page/tx-sheldon-isd-2026-27 to add these events to Google Calendar, Apple Calendar, or Outlook. Subscribe to the whole calendar so it stays up to date when dates change, or pick just the events you want.

July 2026

SISD: District Holiday
Fri, Jul 3, 2026 - Sat, Jul 4, 2026
District Holiday
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: District Holiday
Fri, Jul 10, 2026
District Holiday
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: District Holiday
Fri, Jul 17, 2026
District Holiday
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: District Holiday
Fri, Jul 24, 2026
District Holiday
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: New Teacher Days
Tue, Jul 28, 2026 - Thu, Jul 30, 2026
New Teacher Days
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: Teacher In-Service
Fri, Jul 31, 2026
Teacher In-service
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.

August 2026

SISD: Teacher In-Service
Mon, Aug 3, 2026 - Tue, Aug 11, 2026
Teacher In-service
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: First 9 Weeks Begins
Wed, Aug 12, 2026
First 9 Weeks: August 12 - October 9
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: First Day of School
Wed, Aug 12, 2026
First Day of School
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.

September 2026

SISD: No School, Labor Day Holiday
Mon, Sep 7, 2026
Labor Day Holiday
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: No School, Holiday/Bad Weather Day
Mon, Sep 21, 2026
Holiday/Bad Weather Day. Marked as Bad Weather Make-Up Day.
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.

October 2026

SISD: First 9 Weeks Ends
Fri, Oct 9, 2026
First 9 Weeks: August 12 - October 9
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: No School, Fall Break
Mon, Oct 12, 2026 - Fri, Oct 16, 2026
Fall Break
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: Second 9 Weeks Begins
Mon, Oct 19, 2026
Second 9 Weeks: October 19 - January 8
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.

November 2026

SISD: No School for Students, Student Holiday/Staff Development
Mon, Nov 2, 2026
Student Holiday/ Staff Development
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: No School for Students, Student Holiday/Parent Teacher Conference
Tue, Nov 3, 2026
Student Holiday/ Parent Teacher Conference
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: No School, Thanksgiving Break
Mon, Nov 23, 2026 - Fri, Nov 27, 2026
Thanksgiving Break
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.

December 2026

SISD: Early Dismissal
Fri, Dec 18, 2026
Early Dismissal. High School 7:05 - 11:05 am; Middle Schools 8:15 - 12:15 pm; Elementary 7:45 - 11:45 am; Early Childhood 8:25 - 12:25 pm
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: No School, Christmas Break
Mon, Dec 21, 2026 - Fri, Jan 1, 2027
Christmas Break
Created from the 2026-27 Sheldon ISD Calendar, Houston, 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 Sheldon ISD Calendar, Houston, TX.
SISD: Second 9 Weeks Ends
Fri, Jan 8, 2027
Second 9 Weeks: October 19 - January 8
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: Third 9 Weeks Begins
Mon, Jan 11, 2027
Third 9 Weeks: January 11 - March 19
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: No School, MLK Day
Mon, Jan 18, 2027
MLK Day
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.

February 2027

SISD: No School for Students, Student Holiday/Staff Exchange Days
Fri, Feb 12, 2027 - Mon, Feb 15, 2027
Student Holiday/ Staff Exchange Days
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.

March 2027

SISD: No School, Spring Break
Mon, Mar 8, 2027 - Fri, Mar 12, 2027
Spring Break
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: Third 9 Weeks Ends
Fri, Mar 19, 2027
Third 9 Weeks: January 11 - March 19
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: Fourth 9 Weeks Begins
Mon, Mar 22, 2027
Fourth 9 Weeks: March 22 - May 27
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: No School, Easter Weekend
Fri, Mar 26, 2027 - Mon, Mar 29, 2027
Easter Weekend
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.

May 2027

SISD: Fourth 9 Weeks Ends
Thu, May 27, 2027
Fourth 9 Weeks: March 22 - May 27
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: Last Day of School/Early Dismissal
Thu, May 27, 2027
Last Day of School/ Early Dismissal. High School 7:05 - 11:05 am; Middle Schools 8:15 - 12:15 pm; Elementary 7:45 - 11:45 am; Early Childhood 8:25 - 12:25 pm
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: Student Holiday/Staff Work Day
Fri, May 28, 2027
Student Holiday/Staff Work Day (color key)
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: Bad Weather Make-Up Day
Fri, May 28, 2027
Bad Weather Make-Up Day (color key)
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: Memorial Day
Mon, May 31, 2027
Memorial Day
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.

June 2027

SISD: District Holiday
Fri, Jun 11, 2027
District Holiday
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: District Holiday
Fri, Jun 18, 2027 - Sat, Jun 19, 2027
District Holiday
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.
SISD: District Holiday
Fri, Jun 25, 2027
District Holiday
Created from the 2026-27 Sheldon ISD Calendar, Houston, TX.