Seminole ISD Calendar 2026-2027
Gaines County · Lubbock area (Region 17)
The Seminole ISD academic calendar for the 2026-2027 school year starts on Wednesday, August 12, 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 31. 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 Seminole 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 Seminole ISD in 2026-2027?
The first day of school for Seminole ISD is Wednesday, August 12, 2026.
When is the last day of school for Seminole ISD in 2026-2027?
The last day of school for Seminole ISD is Friday, May 21, 2027.
When is Thanksgiving break for Seminole ISD?
Seminole ISD has Thanksgiving break from November 23 through 27, 2026.
When is winter break for Seminole ISD?
Seminole ISD's winter break runs from December 21 through 31.
When is spring break for Seminole ISD in 2026-2027?
Seminole ISD's spring break is March 15 through 19, 2027.
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.