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STISD Board-Approved Calendar (2025-2026)

Download main STISD 2025-2026 School Year Calendar (Board approved on Feb. 18, 2025)

Download STISD 2025-2026 School Day Calendars:
2025-2026 A/B/C Academic Calendar HP, MP + SA
2025-2026 A/B Academic Calendar PA, RS + WS
* Please note: STISD Virtual Academy does not have an A/B or A/B/C schedule. All classes meet daily, Monday-Friday. Please refer to the Board Approved Main 2025-2026 School Year Calendar listed above for holidays, instructional periods, testing dates, etc.) 

Download STISD 2025-2026 School Calendar Legend (for employees)

 

District + Campus Event Calendars

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November 2025
Monday Tuesday Wednesday Thursday Friday Sat/Sun
Monday, October 27
Tuesday, October 28
Board of Directors Meeting of the STISD Board of Directors
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STISD Central Office Teaching and Learning Center (7001 E. Expressway 83, Mercedes)
Wednesday, October 29
Thursday, October 30
School STISD Dyslexia Parent Series: Session 2
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In-person at Biblioteca Las Americas (300 Med High Dr., Mercedes) OR Virtual via Zoom (register for link)
Friday, October 31
Saturday, November 1
South Texas ISD Rising Scholars Academy Main State CC Meet
All Day
South Texas ISD Rising Scholars Academy Main State CC Meet
All Day
Sunday, November 2
Monday, November 3
School STISD Dyslexia Parent Series: Session 3
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Virtual via Zoom (register for link)
Tuesday, November 4
Wednesday, November 5
Thursday, November 6
School Fall Family Literacy Parent Meeting: AI (Artificial Intelligence) & STISD: Empowering Parents for the Digital Age
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STISD Central Office Teaching and Learning Center (7001 E. Expressway 83, Mercedes)
Friday, November 7
South Texas ISD STISD Mental Health Conference - "Paving the Way: Advancing School Mental Health Supports in South Texas"
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STISD Teaching and Learning Center, 7001 E. Expressway 83, Mercedes, TX 78570
Saturday, November 8
Subscribe to Calendar Alerts South Texas ISD Rising Scholars Academy Main Tennis Tryouts
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Subscribe to Calendar Alerts South Texas ISD Rising Scholars Academy Main Tennis Tryouts
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Sunday, November 9
Monday, November 10
Subscribe to Calendar Alerts South Texas ISD Rising Scholars Academy Main Board Agenda Items/Reports Due
All Day
Tuesday, November 11
Wednesday, November 12
Subscribe to Calendar Alerts School Parent Connection Symposium: Empowering Students and Families for Life After High School with Support from Texas Workforce Commission and Texas RioGrande Legal Aid
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In-person at STISD Teaching & Learning Center or Virtually via Zoom
Thursday, November 13
Subscribe to Calendar Alerts School STISD Dyslexia Parent Series: Session 4
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Virtual via Zoom (register for link)
Subscribe to Calendar Alerts South Texas ISD Rising Scholars Academy Main Library Meeting @ RSA
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Friday, November 14
Subscribe to Calendar Alerts South Texas ISD Rising Scholars Academy Main South TX vs West TX Regional Flag Football & Volleyball Championships
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Subscribe to Calendar Alerts South Texas ISD Rising Scholars Academy Main South TX vs West TX Regional Flag Football & Volleyball Championships
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Saturday, November 15
Subscribe to Calendar Alerts South Texas ISD Rising Scholars Academy Main Volleyball/Flag Football State Tournament
All Day
Subscribe to Calendar Alerts South Texas ISD Rising Scholars Academy Main Volleyball/Flag Football State Tournament
All Day
Sunday, November 16
Monday, November 17
Subscribe to Calendar Alerts South Texas ISD Rising Scholars Academy Main High School BoB Round 1
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Microsoft Teams Meeting
Tuesday, November 18
Subscribe to Calendar Alerts South Texas ISD Rising Scholars Academy Main Round 1 Middle School Battle of the Books (Tentative)
All Day
Subscribe to Calendar Alerts Board of Directors Meeting of the STISD Board of Directors
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STISD Central Office Teaching and Learning Center (7001 E. Expressway 83, Mercedes)
Wednesday, November 19
Thursday, November 20
Friday, November 21
Saturday, November 22
Sunday, November 23
Monday, November 24
Subscribe to Calendar Alerts School Thanksgiving Break (District holiday)
All Day
Central Office and all STISD campuses
Tuesday, November 25
Subscribe to Calendar Alerts School Thanksgiving Break (District holiday)
All Day
Central Office and all STISD campuses
Wednesday, November 26
Subscribe to Calendar Alerts School Thanksgiving Break (District holiday)
All Day
Central Office and all STISD campuses
Thursday, November 27
Subscribe to Calendar Alerts School Thanksgiving Break (District holiday)
All Day
Central Office and all STISD campuses
Friday, November 28
Subscribe to Calendar Alerts School Thanksgiving Break (District holiday)
All Day
Central Office and all STISD campuses
Saturday, November 29
Sunday, November 30

Calendar & Category Legend:

  • South Texas ISD South Texas ISD
  • South Texas ISD Health Professions Main South Texas ISD Health Professions Main
  • South Texas ISD Medical Professions Main South Texas ISD Medical Professions Main
  • South Texas ISD Preparatory Academy Main South Texas ISD Preparatory Academy Main
  • South Texas ISD Rising Scholars Academy Main South Texas ISD Rising Scholars Academy Main
  • South Texas ISD Science Academy Main South Texas ISD Science Academy Main
  • South Texas ISD Virtual Academy Main South Texas ISD Virtual Academy Main
  • South Texas ISD World Scholars Main South Texas ISD World Scholars Main

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