Calendars
STISD Calendar for 2026-2027
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
Monday
Tuesday
Wednesday
Thursday
Friday
Sat/Sun
Monday,
April
27
Tuesday,
April
28
Wednesday,
April
29
South Texas ISD
Meeting of the STISD Board of Directors
-
STISD Central Office Teaching and Learning Center (7001 E. Expressway 83, Mercedes)
Thursday,
April
30
Friday,
May
1
Saturday,
May
2
Sunday,
May
3
Monday,
May
4
Tuesday,
May
5
Wednesday,
May
6
Thursday,
May
7
Friday,
May
8
Saturday,
May
9
Sunday,
May
10
Monday,
May
11
Tuesday,
May
12
Wednesday,
May
13
Thursday,
May
14
Friday,
May
15
Saturday,
May
16
Sunday,
May
17
Monday,
May
18
Tuesday,
May
19
Graduations
STISD Medical Professions Graduation Ceremony
-
Bert Ogden Arena (4900 S I-69C, Edinburg)
Wednesday,
May
20
Graduations
STISD Health Professions Graduation Ceremony
-
Bert Ogden Arena (4900 S I-69C, Edinburg)
Thursday,
May
21
Friday,
May
22
All STISD campuses
All STISD campuses
Saturday,
May
23
Sunday,
May
24
Monday,
May
25
Tuesday,
May
26
South Texas ISD
Meeting of the STISD Board of Directors
-
STISD Central Office Teaching and Learning Center (7001 E. Expressway 83, Mercedes)
Wednesday,
May
27
Thursday,
May
28
Friday,
May
29
Saturday,
May
30
Sunday,
May
31
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