Sublette County School District #9 Calendar 2026-2027
Complete holiday schedule and key dates for Sublette County School District #9 for the 2026-2027 academic year. Official district website
School Year Timeline
Key Dates
| Event | Date(s) | Status |
|---|---|---|
| First Day of School | August 17, 2026 (Mon) | School Opens |
| Labor Day | September 7, 2026 (Mon) | No School |
| Thanksgiving Break | November 25, 2026 - November 27, 2026 | No School |
| Christmas Break | December 23, 2026 - January 1, 2027 | No School |
| President’s Day (Obs.) | February 12, 2027 (Fri) | No School |
| Spring Break | March 26, 2027 - April 2, 2027 | No School |
| Last Day of School | May 26, 2027 (Wed) | School Closes |
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Extended Time Off
| Window | Date(s) | Length |
|---|---|---|
| Labor Day Window | Sep 4–7, 2026Districtwide no-school: Sep 4, 2026; Sep 7, 2026 · Adjacent weekend: Sep 5–6, 2026 | 4 days |
| Thanksgiving Break Window | Nov 25–29, 2026Districtwide no-school: Nov 25–27, 2026 · Adjacent weekend: Nov 28–29, 2026 | 5 days |
| Christmas Break Window | Dec 23, 2026–Jan 3, 2027Districtwide no-school: Dec 23, 2026–Jan 1, 2027 · Adjacent weekend: Jan 2–3, 2027 | 12 days |
| Spring Break Window | Mar 26–Apr 4, 2027Districtwide no-school: Mar 26–Apr 2, 2027 · Adjacent weekend: Apr 3–4, 2027 | 10 days |
Other Important Dates
| Event | Date(s) |
|---|---|
| Quarter 1 ends (All K–12 students in Sublette County School District #9) | October 9, 2026 (Fri) |
| Quarter 2/First Semester ends (All K–12 students in Sublette County School District #9) | December 22, 2026 (Tue) |
| Quarter 3 ends (All K–12 students in Sublette County School District #9) | March 12, 2027 (Fri) |
| New Approved Graduation Day (Graduating high school students) | May 24, 2027 (Mon) |
| Quarter 4/ Semester 2 ends (All K–12 students in Sublette County School District #9) | May 26, 2027 (Wed) |
Sublette County School District #9 Calendar 2026-2027 wyomingschoolcalendar.com
View the full 2026-2027 school year by month.
Monthly calendar12 months
Sublette County School District #9
Sublette County School District #9 serves Big Piney and LaBarge with elementary campuses in both communities, advancing to Big Piney Middle School and Big Piney High School.
Working families access the Thrive program, delivering after-school literacy, mathematics support, STEAM activities, and Friday enrichment. The district provides isolation travel assistance for remote ranch families, managing student coursework and meal accounts across PowerSchool and Canvas.
Compared With Related Districts
Selected highlights from this district calendar and related district calendar pages.
Sublette County School District #9 uses this Spring Break week, while Sublette County School District #1 (March 29, 2027 - April 2, 2027) and Sweetwater County School District #1 (March 22, 2027 - March 26, 2027) use different windows in the related calendar set.
Sublette County School District #9 starts on this date; Sublette County School District #1 (August 24, 2026) and Sweetwater County School District #1 (August 19, 2026) use different first-day dates in the related calendar set.
Sublette County School District #9 lists 15 early-release or half-day items that may affect pickup times even when school is in session.
Sublette County School District #9 lists 33 teacher, planning, or student-holiday items beyond the headline break periods.
Compare key dates with other districts
Choose one or two related districts to line up major planning dates with Sublette County School District #9.
Related Links
About This Calendar
Data Source: 2026-27 SCHOOL CALENDAR — Board Approved 2.17.25; changed July 4 Holiday, Graduation Day and Pri. days 5.28.26; Graduation Day change 9.15.26 How we verify dates
Disclaimer: This website is not affiliated with Sublette County School District #9, any state education authority, or any official district body. While we strive for accuracy, always verify important dates with the official district website.