For the 2026–2027 school year, the district serves 2,800 students across 4 schools in West Texas, Texas. Classes begin August 12, 2026 and end May 21, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Seminole ISD before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Seminole ISD. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Seminole ISD's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Seminole ISD.
Who This Calendar Applies To
Schools Covered by This Calendar
The 2026–2027 Seminole ISD academic calendar applies district-wide to all 6 campuses.
Elementary Schools2
- Seminole Primary School (02–03)
- Young Elementary School (EE–01)
Middle & Junior High Schools2
- Seminole Elementary School (04–05)
- Seminole Junior High (06–08)
High Schools1
- Seminole High School (09–12)
Combined & Specialized Campuses1
- Seminole Success Center (08–12)
Campus list from the Texas Education Agency school directory. Individual campuses set their own bell schedules, and schools on an alternative or extended-year calendar may adjust specific dates — confirm with the school before planning around a date.
Sources and Checks
Where these dates come from
How the 2026–2027 Seminole ISD calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Seminole ISD published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against seminoleisd.net.
- ✓Board-approved version is used where the district marks one.
- ✓First and last day match the published calendar.
- ✓Breaks and holidays are listed with their full date ranges.
- ✓Teacher / no-school days are included where the district lists them.
- ✓Changes happen. Districts amend calendars mid-year — confirm with Seminole ISD before booking around a date.
Common Questions
Frequently Asked Questions
Seminole ISD Calendar 2026–2027 — important dates and answers.
The first day of school in Seminole ISD for the 2026–2027 academic year is August 12, 2026.
Spring Break in Seminole ISD is scheduled from March 15 through March 19, 2027.
Christmas Break for Seminole ISD students falls during the Winter Break period from December 21 to December 31, 2026.
Winter Break in Seminole ISD runs from December 21 through December 31, 2026, with an additional New Year’s holiday on January 1, 2027.
Thanksgiving Break in Seminole ISD is scheduled from November 23 to November 27, 2026.
The last day of school for Seminole ISD students in the 2026–2027 school year is May 21, 2027.
Graduation for Seminole ISD seniors is scheduled for May 21, 2027.
New Staff Inservice days in Seminole ISD are July 31, 2026, and August 3–4, 2026.
Staff Development days in Seminole ISD take place from August 3 to August 7, 2026, and August 10 to August 11, 2026.
The Seminole ISD 2026–2027 academic calendar includes a total of 170 student days.
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