South Texas ISD Calendar 2026-2027
Cameron County · Edinburg area (Region 1)
The South Texas ISD academic calendar for the 2026-2027 school year starts on Monday, August 17, 2026 and ends on Friday, May 21, 2027. Through the fall, families can plan around the Thanksgiving break from November 23 through 27. The winter break runs from December 21 through January 8. In the second semester, the calendar includes a spring break from March 15 through 19.
Last updated August 4, 2026
Official Calendar
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PDF Full-year South Texas ISD calendar with every key date — district logo, color legend and a QR code to this page.
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Frequently asked questions
When is the first day of school for South Texas ISD in 2026-2027?
The first day of school for South Texas ISD is Monday, August 17, 2026.
When is the last day of school for South Texas ISD in 2026-2027?
The last day of school for South Texas ISD is Friday, May 21, 2027.
When is Thanksgiving break for South Texas ISD?
South Texas ISD has Thanksgiving break from November 23 through 27, 2026.
When is winter break for South Texas ISD?
South Texas ISD's winter break runs from December 21 through January 8.
When is spring break for South Texas ISD in 2026-2027?
South Texas ISD's spring break is March 15 through 19, 2027.
When is the first day of school in South Texas ISD for the 2026-2027 calendar year?
The first day of instruction for South Texas ISD in the 2026-2027 school calendar year is August 17, 2026.
When is Spring Break in South Texas ISD for the 2026-2027 calendar year?
Spring Break in South Texas ISD for the 2026-2027 academic calendar is scheduled from March 15 through March 19, 2027.
When is Christmas Break in South Texas ISD for the 2026-2027 calendar year?
Christmas Break for South Texas ISD during the 2026-2027 school year begins on December 21, 2026 and continues until January 8, 2027.
When is Winter Break in South Texas ISD for the 2026-2027 calendar year?
The Winter Break in South Texas ISD for the 2026-2027 school calendar runs from December 21, 2026 through January 8, 2027.
When is Thanksgiving Break in South Texas ISD for the 2026-2027 calendar year?
Thanksgiving Break in South Texas ISD for the 2026-2027 school calendar takes place from November 23 through November 27, 2026.
When is the last day of school in South Texas ISD for the 2026-2027 calendar year?
The last day of instruction for South Texas ISD in the 2026-2027 academic year is May 21, 2027.
Is there a Columbus Day holiday in the South Texas ISD 2026-2027 calendar?
Yes. South Texas ISD observes Columbus Day on October 12, 2026 as a district holiday.
Is there a Weather Day scheduled in the South Texas ISD 2026-2027 school calendar?
Yes. A Weather Day is scheduled on February 15, 2027 in the South Texas ISD 2026-2027 academic calendar.
Is Good Friday a holiday in South Texas ISD during the 2026-2027 school year?
Yes. Good Friday will be observed on March 26, 2027 in the South Texas ISD 2026-2027 calendar.