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Official School Calendar for Academic Year 2026–2027
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Seminole ISD Calendar (2026-2027)
Calendar by educounty.net
| Date | Event |
|---|---|
| Jul 28-29, 2026 | District of Innovation (DOI) Days – Non Working Days |
| Jul 31, 2026 | New Staff Inservice |
| Aug 3-4, 2026 | New Staff Inservice |
| Aug 3-7, 2026 | Staff Development |
| Aug 10-11, 2026 | Staff Development |
| Aug 12, 2026 | First Day of School |
| Nov 23-27, 2026 | Thanksgiving Break |
| Dec 21-31, 2026 | Winter Break |
| Jan 1, 2027 | New Year’s Holiday |
| Mar 15-19, 2027 | Spring Break |
| May 21, 2027 | Last Day of School |
| May 21, 2027 | Graduation |
Seminole ISD Calendar 2026-2027 – Frequently Asked Questions
When is the first day of school in Seminole ISD for 2026-2027?
The first day of school in Seminole ISD for the 2026–2027 academic year is August 12, 2026.
When is Spring Break in Seminole ISD for 2027?
Spring Break in Seminole ISD is scheduled from March 15 through March 19, 2027.
When is Christmas Break in Seminole ISD for 2026?
Christmas Break for Seminole ISD students falls during the Winter Break period from December 21 to December 31, 2026.
When is Winter Break in Seminole ISD for the 2026-2027 school year?
Winter Break in Seminole ISD runs from December 21 through December 31, 2026, with an additional New Year’s holiday on January 1, 2027.
When is Thanksgiving Break in Seminole ISD for 2026?
Thanksgiving Break in Seminole ISD is scheduled from November 23 to November 27, 2026.
When is the last day of school in Seminole ISD for 2027?
The last day of school for Seminole ISD students in the 2026–2027 school year is May 21, 2027.
When is graduation in Seminole ISD for 2027?
Graduation for Seminole ISD seniors is scheduled for May 21, 2027.
When are the New Staff Inservice days in Seminole ISD for 2026?
New Staff Inservice days in Seminole ISD are July 31, 2026, and August 3–4, 2026.
When are Staff Development days in Seminole ISD before school starts?
Staff Development days in Seminole ISD take place from August 3 to August 7, 2026, and August 10 to August 11, 2026.
How many student days are in the Seminole ISD 2026-2027 calendar?
The Seminole ISD 2026–2027 academic calendar includes a total of 170 student days.
Calendar Disclaimer
Dates are sourced from the official Seminole ISD calendar 26-27 Revised [PDF] website. Dates may change at the discretion of the district. Always verify with the official school website for the latest updates.
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