Southside ISD Calendar 2026-27

Southside ISD, the public school district in San Antonio, Texas, starts the 2026-27 school year on Wednesday, August 12, 2026. The last day for students is Wednesday, May 26, 2027. Spring break is Mar 8–12, 2027.

First dayWed Aug 12, 2026
Last dayWed May 26, 2027
ThanksgivingNov 23–27, 2026
Winter breakDec 18, 2026 – Jan 5, 2027
Spring breakMar 8–12, 2027
Instruction days173

Next day off: Thanksgiving Break, Nov 23–27, 2026

Holidays and days off, 2026-27

DatesHoliday / breakSchool days off
Sep 7, 2026Labor Day1
Oct 8, 2026Staff Development1
Oct 9–12, 2026Fall Break2
Nov 23–27, 2026Thanksgiving Break5
Dec 18, 2026Staff Development1
Dec 21, 2026 – Jan 1, 2027Winter Break10
Jan 4–5, 2027Staff Development2
Jan 18, 2027MLK Day1
Feb 12, 2027Staff Development1
Feb 15, 2027President's Day1
Mar 8–12, 2027Spring Break5
Mar 26–29, 2027Good Friday Break2
Apr 23, 2027Battle of Flowers1

Compared with nearby districts

DistrictFirst dayLast daySpring break
Southside ISDAug 12May 26Mar 8–12, 2027
South San Antonio ISDAug 10May 27Mar 8–12, 2027
School of Science and Technology Discovery – San AntonioAug 12May 26Mar 8–12, 2027
School of Science and Technology – San AntonioAug 12May 26Mar 8–12, 2027

Same week off in March as Southside ISD: South San Antonio ISD, School of Science and Technology Discovery – San Antonio, School of Science and Technology – San Antonio.

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Source

✓ Checked against the official calendar

Official calendar: Southside ISD 2026-2027 calendar · Board Approved: 02-11-2026. Last checked November 8, 2026. District website: southsideisd.org.

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