Southside ISD Calendar 2026-2027

Bexar County · San Antonio area (Region 20)

First day of schoolAugust 12, 2026
Labor DaySeptember 7, 2026
Fall breakOctober 9–12, 2026
Thanksgiving breakNovember 23–27, 2026
Winter breakDecember 21, 2026 – January 5, 2027
MLK Jr. DayJanuary 18, 2027
Spring breakMarch 8–12, 2027
Memorial DayMay 31, 2027
Last day of schoolMay 26, 2027

Last updated September 18, 2026

Interactive calendar

Browse the key dates month by month — colored markers show each event.

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Southside ISD Calendar for the Year 26-27

Southside ISD Calendar for the Year 26-27 — key dates

https://www.southsideisd.org — Source: Southside ISD (southsideisd.org) ↗

First day: Wednesday, August 12, 2026

Calendar Dates

New Teacher AcademyJul 29 — Jul 30Teacher Day
Staff WorkdayAug 3, 2026Teacher Day
Staff DevelopmentAug 4 — Aug 10Teacher Day
Staff Development 1/2 Day / Staff Workday 1/2 DayAug 11, 2026Teacher Day
First Day of SchoolAug 12, 2026School Opens
Labor Day (Staff/Student Holiday)Sep 7, 2026No School
Staff Development (Student Holiday)Oct 8, 2026No School
Fall BreakOct 9 — Oct 12No School
Thanksgiving Break (Staff/Student Holiday)Nov 23 — Nov 27No School
Staff Development (Student Holiday)Dec 18, 2026No School
Winter Break (Staff/Student Holiday)Dec 21 — Jan 1No School
Staff Development (Student Holiday)Jan 4 — Jan 5No School
MLK Day (Staff/Student Holiday)Jan 18, 2027No School
Staff Development (Student Holiday)Feb 12, 2027No School
President's Day (Staff/Student Holiday)Feb 15, 2027No School
Spring Break (Staff/Student Holiday)Mar 8 — Mar 12No School
Good Friday (Staff/Student Holiday)Mar 26 — Mar 29No School
Battle of Flowers (Staff/Student Holiday)Apr 23, 2027No School
Last Day of SchoolMay 26, 2027School Closes
Memorial Day (Staff/Student Holiday)May 31, 2027No School

Frequently asked questions

When is the first day of school for Southside ISD in 2026-2027?

The first day of school for Southside ISD is Wednesday, August 12, 2026.

When is the last day of school for Southside ISD in 2026-2027?

The last day of school for Southside ISD is Wednesday, May 26, 2027.

When is Thanksgiving break for Southside ISD?

Southside ISD has Thanksgiving break from November 23 through 27, 2026.

When is winter break for Southside ISD?

Southside ISD's winter break runs from December 21 through January 5.

When is spring break for Southside ISD in 2026-2027?

Southside ISD's spring break is March 8 through 12, 2027.

When is fall break for Southside ISD?

Southside ISD has a fall break from October 9 through 12, 2026.

Does Southside ISD have school on Martin Luther King Jr. Day?

No. Southside ISD is closed for Martin Luther King Jr. Day on Monday, January 18, 2027.

Does Southside ISD have school on Labor Day?

No. Southside ISD is closed for Labor Day on Monday, September 7, 2026.

Does Southside ISD have school on Memorial Day?

No. Southside ISD is closed for Memorial Day on Monday, May 31, 2027.