2026-2027
Official
Updated 2026-08-04

Mukilteo School District Calendar 2026-2027

Complete holiday schedule and key dates for Mukilteo School District for the 2026-2027 academic year. Official district website

First Day Sep 1, 2026
Last Day Jun 16, 2027
Thanksgiving / Native American Heritage Day Nov 26-27
Winter Break Dec 21-Jan 1
Mid-Winter Break Feb 16-19
Spring Break Apr 5-9

Key Dates

Event Date(s) Status
Earliest Grade-Level First Day September 1, 2026 (Tue) School Opens
Labor Day September 7, 2026 (Mon) No School
Veteran's Day observed November 11, 2026 (Wed) No School
Thanksgiving / Native American Heritage Day November 26, 2026 - November 27, 2026 No School
Winter Break December 21, 2026 - January 1, 2027 No School
Martin Luther King Jr. Day January 18, 2027 (Mon) No School
President's Day February 15, 2027 (Mon) No School
Mid-Winter Break February 16, 2027 - February 19, 2027 No School
Spring Break April 5, 2027 - April 9, 2027 No School
Memorial Day May 31, 2027 (Mon) No School
Last Day of School June 16, 2027 (Wed) School Closes

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Extended Time Off

Window Date(s) Length
Thanksgiving / Native American Heritage Day Window Nov 26–29, 2026Districtwide no-school: Nov 26–27, 2026 · Adjacent weekend: Nov 28–29, 2026 4 days
Winter Break Window Dec 19, 2026–Jan 3, 2027Districtwide no-school: Dec 21, 2026–Jan 1, 2027 · Adjacent weekend: Dec 19–20, 2026; Jan 2–3, 2027 16 days
Mid-Winter Break Window Feb 13–21, 2027Districtwide no-school: Feb 15–19, 2027 · Adjacent weekend: Feb 13–14, 2027; Feb 20–21, 2027 9 days
Spring Break Window Apr 3–11, 2027Districtwide no-school: Apr 5–9, 2027 · Adjacent weekend: Apr 3–4, 2027; Apr 10–11, 2027 9 days

Other Important Dates

EventDate(s)
End of First QuarterNovember 6, 2026 (Fri)
ConferencesNovember 23, 2026 - November 25, 2026
End of First TrimesterNovember 25, 2026 (Wed)
End of Second QuarterJanuary 28, 2027 (Thu)
End of Second TrimesterMarch 18, 2027 (Thu)
End of Third QuarterApril 16, 2027 (Fri)
End of Fourth QuarterJune 16, 2027 (Wed)
End of Third TrimesterJune 16, 2027 (Wed)

Mukilteo Calendar 2026-2027 www.washingtonschoolcalendar.com

View the full 2026-2027 school year by month.

Monthly calendar12 months
School Day
Weekend
Holiday (No School)
School Break
First / Last Day

129. Mukilteo School District

More than one hundred home languages are spoken by families in Mukilteo School District. The system serves Mukilteo, parts of Everett and neighborhoods around Paine Field, where immigration, aerospace employment and frequent household moves shape everyday classroom life. Neighborhood elementary and middle schools feed Kamiak or Mariner High School, two comprehensive campuses with distinct communities and shared district resources.

Music, visual art and theater remain visible from the elementary years through high school. Students can develop an interest across several stages before joining advanced ensembles, productions or studio courses. Advanced Placement, dual-credit classes taught on campus and Running Start add several routes into college-level study.

Career pathways reflect the surrounding economy. Aerospace, engineering, manufacturing, health care, information technology and skilled trades connect naturally with regional employers. Sno-Isle TECH, operated by the district as a regional skills center, gives juniors and seniors access to more than twenty concentrated programs, industry credentials, externships and apprenticeship connections.

Language learning also begins early. Horizon Elementary's Spanish-English dual-language program expands for 2026–27 through second grade, following a 90:10 model that builds Spanish literacy first and adds more English over time. ACES Big Picture High School provides a smaller project- and internship-centered option. Mukilteo's districtwide character comes from many home languages, sustained arts education and an aerospace corridor that makes technical preparation part of ordinary career planning.

Compared With Washington Districts

Selected highlights from this district calendar and related Washington calendar pages.

Early-release dates 3 items

Mukilteo lists 3 early-release or half-day items that may affect pickup times even when school is in session.

Regional Spring Break split April 5, 2027 - April 9, 2027

Mukilteo uses this Spring Break week, while Orcas Island (April 12, 2027 - April 16, 2027) uses different windows in the related calendar set.

Later last day June 16, 2027

Mukilteo ends on this date; Nooksack Valley School District (June 10, 2027) and Mount Baker School District (June 11, 2027) close on different dates in the related calendar set.

Compare key dates with nearby districts

Choose one or two related districts to line up major planning dates with Mukilteo.

Select at least one nearby district.

About This Calendar

Data Source: Mukilteo School District official 2026-27 Student Calendar How we verify dates

Disclaimer: This website is not affiliated with Mukilteo School District, OSPI, or any official district body. While we strive for accuracy, always verify important dates with the official district website.