Mukilteo School District Calendar 2026–2027
Washington (Snohomish County) · 14 key dates
September 2026
Tue, Sep 1First Day of School (Sept 1-4 are transition days; start depends on grade level)
Mon, Sep 7Labor Day (no school)
October 2026
Fri, Oct 16Teacher Work Day (no school)
November 2026
Wed, Nov 11Veteran's Day observed (no school)
Nov 23 – Nov 25Conferences (no school for PS-grade 5)
Nov 26 – Nov 27Thanksgiving / Native American Heritage Day (no school)
December 2026
Dec 21 – Jan 1Winter Break (no school)
January 2027
Mon, Jan 18Martin Luther King Jr. Day (no school)
Fri, Jan 29Teacher Work Day (no school)
February 2027
Feb 15 – Feb 19President's Day and Mid-Winter Break (no school)
March 2027
Fri, Mar 19Teacher Work Day (no school)
April 2027
Apr 5 – Apr 9Spring Break (no school)
May 2027
Mon, May 31Memorial Day (no school)
June 2027
Wed, Jun 16Last Day of School (early dismissal)
Compiled from the district's published calendar and subject to change — always verify against the official Mukilteo SD calendar.