For the 2026–2027 school year, Mount Baker School District publishes its official academic calendar for Washington. Classes begin Aug 26 and end Jun 11. All dates listed below are sourced from the district's official publications. Verify with Mount Baker School District before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Mount Baker School District. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Mount Baker School District's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
- First Day of SchoolAug 26, 2026School Opens
- First Day KindergartenAug 31, 2026School Opens
- Labor Day (No School)Sep 7, 2026No School
- Staff Development (No School)Oct 9, 2026No School
- JH/HS Early Release, ConferencesOct 16, 2026Early Release
- Elementary Early Release, ConferencesNov 3 — Nov 6Early Release
- Veterans Day (No School)Nov 11, 2026No School
- 90 Min Early Release (Grade Prep)Nov 20, 2026Early Release
- Thanksgiving (No School)Nov 25 — Nov 27No School
- Winter Break (No School)Dec 21 — Jan 1No School
- Martin Luther King Jr. Day (No School)Jan 18, 2027No School
- Treaty Day (No School)Jan 22, 2027No School
- Staff Development (No School)Feb 12, 2027No School
- President's Day (No School)Feb 15, 2027No School
- Mid-Winter Break (No School)Feb 16, 2027No School
- 90 Min Early Release (Grade Prep)Mar 5, 2027Early Release
- Inclement Weather Make-up DayMar 29, 2027Event
- Elementary Early Release, ConferencesMar 30 — Apr 2Early Release
- Spring Break (No School)Apr 5 — Apr 9No School
- JH/HS Early Release, ConferencesApr 23, 2027Early Release
- Inclement Weather Make-up DayMay 7, 2027Event
- Staff Development (No School)May 28, 2027No School
- Memorial Day (No School)May 31, 2027No School
- MBHS GraduationJun 3, 2027Event
- Last Day of School and Early ReleaseJun 11, 2027School Closes
- Inclement Weather Make-up DayJun 14, 2027Event
- Juneteenth (Observed) (Holiday)Jun 18, 2027No School
- Independence Day (Observed) (Holiday)Jul 5, 2027No School
About the District
School Information
Details and contact information for Mount Baker School District MBSD.
Sources and Checks
Where these dates come from
How the 2026–2027 Mount Baker School District calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Mount Baker School District published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against mtbaker.wednet.edu.
- ✓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 Mount Baker School District before booking around a date.
Common Questions
Frequently Asked Questions
Mount Baker School District Calendar 2026–2027 — important dates and answers.
The first day of school in Mount Baker School District for the 2026-2027 school year is August 26, 2026.
The first day of kindergarten is August 31, 2026.
Labor Day is September 7, 2026, and there will be no school.
Thanksgiving break is from November 25 through November 27, 2026, and there will be no school.
The school calendar lists Winter Break from December 21, 2026 through January 1, 2027. This period includes the Christmas holiday.
Winter Break is from December 21, 2026 through January 1, 2027, and there will be no school.
Martin Luther King Jr. Day is January 18, 2027, and there will be no school.
Treaty Day is January 22, 2027, and there will be no school.
Presidents Day is February 15, 2027, and there will be no school.
Mid-Winter Break is February 16, 2027, and there will be no school.
Spring Break is from April 5 through April 9, 2027, and there will be no school.
Memorial Day is May 31, 2027, and there will be no school.
Mount Baker High School graduation is scheduled for June 3, 2027.
The last day of school is June 11, 2027. It is also an early release day.
Staff development no-school days are October 9, 2026, February 12, 2027, and May 28, 2027.
The scheduled inclement weather make-up days are March 29, May 7, and June 14, 2027, if needed.
Elementary early release conferences are scheduled for November 3-6, 2026 and March 30-April 2, 2027.
JH/HS early release conferences are scheduled for October 16, 2026 and April 23, 2027.
Explore More
Recently Updated Calendars
Other Washington school district calendars — recently added or updated.