Southside ISD Calendar 2026-2027
Bexar County · San Antonio area (Region 20)
The Southside ISD academic calendar for the 2026-2027 school year starts on Wednesday, August 12, 2026 and ends on Wednesday, May 26, 2027. Through the fall, families can plan around Labor Day on September 7, a fall break from October 9 through 12, and the Thanksgiving break from November 23 through 27. The winter break runs from December 21 through January 1. In the second semester, the calendar includes the Martin Luther King Jr. holiday on January 18, a spring break from March 8 through 12, and Memorial Day on May 31.
Last updated August 4, 2026
Official Calendar
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PDF Full-year Southside ISD calendar with every key date — district logo, color legend and a QR code to this page.
Interactive calendar
Browse the key dates month by month — colored markers show each event.
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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 1.
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.
When is the first day of school in Southside ISD 2026-2027?
The first day of school in Southside ISD for the 2026-2027 calendar year is August 12, 2026.
When is spring break in Southside ISD 2026-2027?
Spring Break in Southside ISD for 2026-2027 is from March 8 to March 12, 2027.
When is Christmas break in Southside ISD 2026-2027?
Christmas Break in Southside ISD for the 2026-2027 calendar year begins on December 21, 2026 and continues through January 1, 2027.
When is winter break in Southside ISD 2026-2027?
Winter Break in Southside ISD for the 2026-2027 calendar year runs from December 21, 2026 to January 1, 2027.
When is Thanksgiving break in Southside ISD 2026-2027?
Thanksgiving Break in Southside ISD for 2026-2027 is from November 23 to November 27, 2026.
When is the last day of school in Southside ISD 2026-2027?
The last day of school in Southside ISD for the 2026-2027 calendar year is May 26, 2027.
When is Labor Day holiday in Southside ISD 2026-2027?
Labor Day holiday in Southside ISD for the 2026-2027 calendar year is on September 7, 2026.
When is Fall Break in Southside ISD 2026-2027?
Fall Break in Southside ISD for the 2026-2027 calendar year is from October 9 to October 12, 2026.
When is MLK Day in Southside ISD 2026-2027?
MLK Day in Southside ISD for the 2026-2027 calendar year is observed on January 18, 2027.
When is Memorial Day in Southside ISD 2026-2027?
Memorial Day in Southside ISD for the 2026-2027 calendar year is on May 31, 2027.