Addison Central Unified Union School District #55 Calendar 2026-2027
Complete holiday schedule and key dates for Addison Central Unified Union School District #55 for the 2026-2027 academic year. Official district website
School Year Timeline
Key Dates
| Event | Date(s) | Status |
|---|---|---|
| First Day of School | August 26, 2026 (Wed) | School Opens |
| Labor Day Weekend | September 4, 2026 - September 7, 2026 | No School |
| Yom Kippur ( or Events) | September 21, 2026 (Mon) | No School |
| Thanksgiving Break | November 23, 2026 - November 27, 2026 | No School |
| Winter Break | December 24, 2026 - January 1, 2027 | No School |
| Martin Luther King Day | January 18, 2027 (Mon) | No School |
| Mid-Winter Break | February 22, 2027 - February 26, 2027 | No School |
| Spring Break | April 19, 2027 - April 23, 2027 | No School |
| Memorial Day | May 31, 2027 (Mon) | No School |
| Last Day of School | June 10, 2027 (Thu) | School Closes |
Spot an error? Help us keep this calendar accurate.
Extended Time Off
| Window | Date(s) | Length |
|---|---|---|
| Student Holiday Window | Oct 22–25, 2026Districtwide no-school: Oct 22–23, 2026 · Adjacent weekend: Oct 24–25, 2026 | 4 days |
| Thanksgiving Break Window | Nov 21–29, 2026Districtwide no-school: Nov 23–27, 2026 · Adjacent weekend: Nov 21–22, 2026; Nov 28–29, 2026 | 9 days |
| Winter Break Window | Dec 24, 2026–Jan 3, 2027Districtwide no-school: Dec 24, 2026–Jan 1, 2027 · Adjacent weekend: Jan 2–3, 2027 | 11 days |
| Martin Luther King Day Window | Jan 16–19, 2027Districtwide no-school: Jan 18–19, 2027 · Adjacent weekend: Jan 16–17, 2027 | 4 days |
| Mid-Winter Break Window | Feb 20–Mar 1, 2027Districtwide no-school: Feb 22–26, 2027; Mar 1, 2027 · Adjacent weekend: Feb 20–21, 2027; Feb 27–28, 2027 | 10 days |
| Spring Break Window | Apr 17–25, 2027Districtwide no-school: Apr 19–23, 2027 · Adjacent weekend: Apr 17–18, 2027; Apr 24–25, 2027 | 9 days |
Other Important Dates
| Event | Date(s) |
|---|---|
| MUHS Graduation (Middlebury Union High School graduating students) | June 5, 2027 (Sat) |
Addison Central Unified Union School District #55 Calendar 2026-2027 vermontschoolcalendar.com
View the full 2026-2027 school year by month.
Monthly calendar12 months
Addison Central Unified Union School District #55
Addison Central Unified Union School District #55 delivers a continuous International Baccalaureate (IB) framework connecting the Primary Years, Middle Years, and Diploma Programme across local elementary schools, Middlebury Union Middle School, and Middlebury Union High School.
Elementary students participate in hands-on environmental education at the Keewaydin Environmental Education Center. The district coordinates universal preschool, special education, and elementary intradistrict transfers, managing academic progress through central portals.
Compared With Related Districts
Selected highlights from this district calendar and related district calendar pages.
Addison Central Unified Union School District #55 lists 6 early-release or half-day items that may affect pickup times even when school is in session.
Addison Central Unified Union School District #55 lists 5 teacher, planning, or student-holiday items beyond the headline break periods.
Compare key dates with nearby districts
Choose one or two related districts to line up major planning dates with Addison Central Unified Union School District #55.
Related Links
About This Calendar
Data Source: 2026-2027 SCHOOL CALENDAR How we verify dates
Disclaimer: This website is not affiliated with Addison Central Unified Union School District #55, any state education authority, or any official district body. While we strive for accuracy, always verify important dates with the official district website.