Big Horn County School District #3 Calendar 2026-2027
Complete holiday schedule and key dates for Big Horn County School District #3 for the 2026-2027 academic year. Official district website
School Year Timeline
Key Dates
| Event | Date(s) | Status |
|---|---|---|
| First Day of School | August 25, 2026 (Tue) | School Opens |
| Labor Day | September 7, 2026 (Mon) | No School |
| Thanksgiving Vacation | November 25, 2026 - November 27, 2026 | No School |
| Winter Break Holidays | December 23, 2026 - January 1, 2027 | No School |
| Late Winter Break | February 26, 2027 (Fri) | No School |
| Spring Break | March 22, 2027 - March 26, 2027 | No School |
| Last Day of School | May 27, 2027 (Thu) | School Closes |
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Extended Time Off
| Window | Date(s) | Length |
|---|---|---|
| Student Holiday Window | Oct 15–18, 2026Districtwide no-school: Oct 15–16, 2026 · Adjacent weekend: Oct 17–18, 2026 | 4 days |
| Thanksgiving Vacation Window | Nov 25–29, 2026Districtwide no-school: Nov 25–27, 2026 · Adjacent weekend: Nov 28–29, 2026 | 5 days |
| Winter Break Holidays Window | Dec 23, 2026–Jan 4, 2027Districtwide no-school: Dec 23, 2026–Jan 1, 2027; Jan 4, 2027 · Adjacent weekend: Jan 2–3, 2027 | 13 days |
| Late Winter Break Window | Feb 25–28, 2027Districtwide no-school: Feb 25–26, 2027 · Adjacent weekend: Feb 27–28, 2027 | 4 days |
| Student Holiday Window | Mar 11–14, 2027Districtwide no-school: Mar 11–12, 2027 · Adjacent weekend: Mar 13–14, 2027 | 4 days |
| Spring Break Window | Mar 20–28, 2027Districtwide no-school: Mar 22–26, 2027 · Adjacent weekend: Mar 20–21, 2027; Mar 27–28, 2027 | 9 days |
Other Important Dates
| Event | Date(s) |
|---|---|
| First quarter ends (K-12 students following the Big Horn County School District #3 general district calendar) | October 16, 2026 (Fri) |
| First semester ends (K-12 students following the Big Horn County School District #3 general district calendar) | December 22, 2026 (Tue) |
| Second quarter ends (K-12 students following the Big Horn County School District #3 general district calendar) | December 22, 2026 (Tue) |
| Third quarter ends (K-12 students following the Big Horn County School District #3 general district calendar) | March 12, 2027 (Fri) |
| Graduation-1:30 p.m. (Graduating students) | May 23, 2027 (Sun) |
| Fourth quarter ends (K-12 students following the Big Horn County School District #3 general district calendar) | May 27, 2027 (Thu) |
Big Horn County School District #3 Calendar 2026-2027 wyomingschoolcalendar.com
View the full 2026-2027 school year by month.
Monthly calendar12 months
Big Horn County School District #3
Big Horn County School District #3 serves Greybull through Greybull Elementary, Greybull Middle School, and Greybull High School, utilizing a standards-referenced grading framework outlined in published academic handbooks.
Secondary guidance counselors coordinate college dual enrollment, career exploration, and academic interventions. Parents register students online, manage bus transit requests, and track school meal programs via PowerSchool.
Compared With Related Districts
Selected highlights from this district calendar and related district calendar pages.
Big Horn County School District #3 uses this Spring Break week, while Big Horn County School District #2 (March 22, 2027 - March 29, 2027) and Big Horn County School District #4 (April 1, 2027 - April 4, 2027) use different windows in the related calendar set.
Big Horn County School District #3 starts on this date; Big Horn County School District #2 (August 19, 2026) and Big Horn County School District #4 (August 18, 2026) use different first-day dates in the related calendar set.
Big Horn County School District #3 lists 26 early-release or half-day items that may affect pickup times even when school is in session.
Big Horn County School District #3 lists 11 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 Big Horn County School District #3.
Related Links
About This Calendar
Data Source: Greybull Schools 2026-2027 School Year Calendar How we verify dates
Disclaimer: This website is not affiliated with Big Horn County School District #3, any state education authority, or any official district body. While we strive for accuracy, always verify important dates with the official district website.