2026-27 Mercer Island School District Calendar

The 2026-27 Mercer Island School District Calendar (Mercer Island, WA) was converted to calendar events, saving everyone the duplicate effort of creating calendar events manually.

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August 2026

MI: New Teacher Orientation
Mon, Aug 17, 2026 - Tue, Aug 18, 2026
Professional Development Responsibilities: New Teacher Orientation
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: MIHS, IMS & Elem. AM PD/PM Prep
Thu, Aug 20, 2026 - Fri, Aug 21, 2026
Professional Development Responsibilities: MIHS, IMS & Elem. AM PD/PM Prep
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: Instructional Technology Day
Mon, Aug 24, 2026
Professional Development Responsibilities: Instructional Technology Day
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: Preservice Day
Tue, Aug 25, 2026
Professional Development ResponsibilitiesPreservice Day
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: First Day of School (All Students)
Wed, Aug 26, 2026
First Day of School (All Students)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: No School for Kindergarten, Conferences
Mon, Aug 31, 2026 - Wed, Sep 2, 2026
Kindergarten conferences. No school for Kindergarten students.
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.

September 2026

MI: No School, Labor Day
Mon, Sep 7, 2026
Labor Day (No School)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.

October 2026

MI: No School for Students
Thu, Oct 8, 2026
No School Students. Teacher Full PD Day. Classified Tech Day.
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: No School for Students or Staff
Fri, Oct 9, 2026
No School for Students or Staff
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: MIHS, First Quarter Ends
Fri, Oct 30, 2026
First Quarter Ends (MIHS)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.

November 2026

MI: No School, Veterans Day
Wed, Nov 11, 2026
Veterans Day (No School)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: Half Day for Elementary Only, Elem. Grading Day
Fri, Nov 20, 2026
Half Day Elem. Only. Elem. Grading Day.
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: No School for Elementary, Elementary Conferences
Mon, Nov 23, 2026 - Wed, Nov 25, 2026
Elem. Students (No School). Elem. Conferences (2.5 Days).
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: IMS/MIHS Student Half Day, Regular Start (MIHS), Progress Report Prep (IMS)
Wed, Nov 25, 2026
Student Half Day (IMS/MIHS). Regular Start (MIHS). Progress Report Prep (IMS).
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: IMS/Elem., First Trimester Ends
Wed, Nov 25, 2026
First Trimester Ends (IMS/Elem.)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: No School, Thanksgiving Day
Thu, Nov 26, 2026
Thanksgiving Day (No School)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: No School, Native American Heritage Day
Fri, Nov 27, 2026
Native American Heritage Day (No School)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.

December 2026

MI: No School, Winter Break
Mon, Dec 21, 2026 - Fri, Jan 1, 2027
Winter Break (No School)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.

January 2027

MI: School Resumes
Mon, Jan 4, 2027
School Resumes
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: No School, Martin Luther King Jr. Day
Mon, Jan 18, 2027
Martin Luther King Jr. Day (No School)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: MIHS, Finals Week
Tue, Jan 19, 2027 - Fri, Jan 22, 2027
Finals Week (MIHS)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: MIHS, Second Quarter Ends
Fri, Jan 22, 2027
Second Quarter Ends (MIHS)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: No School for Students
Mon, Jan 25, 2027
No School Students. IMS & Elem. Certificated - Half PD Day. MIHS Certificated - Non Workday. Classified Tech Day (AM).
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.

February 2027

MI: No School, Presidents' Day
Mon, Feb 15, 2027
Presidents' Day (No School)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: No School, Mid-Winter Break
Tue, Feb 16, 2027 - Fri, Feb 19, 2027
Mid-Winter Break (No School)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.

March 2027

MI: IMS/Elem., Second Trimester Ends
Thu, Mar 18, 2027
Second Trimester Ends (IMS/Elem.)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: No School for Students
Fri, Mar 19, 2027
No School Students. MIHS Certificated - Half PD Day. IMS & Elem. Certificated - Non workday.
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: Scheduled Weather Makeup Day
Fri, Mar 26, 2027
Scheduled Weather Makeup Day
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: MIHS, Third Quarter Ends
Fri, Mar 26, 2027
Third Quarter Ends (MIHS)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.

April 2027

MI: No School, Spring Break
Mon, Apr 12, 2027 - Fri, Apr 16, 2027
Spring Break (No School)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.

May 2027

MI: Scheduled Weather Makeup Day
Fri, May 28, 2027
Scheduled Weather Makeup Day
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: No School, Memorial Day
Mon, May 31, 2027
Memorial Day (No School)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.

June 2027

MI: Last Day of School (Half Day All Students)
Thu, Jun 17, 2027
Last Day of School (Half Day All Students)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.
MI: Juneteenth Observed
Fri, Jun 18, 2027
Juneteenth Observed (No School for Students or Staff)
Created from the 2026-27 Mercer Island School District Calendar, Mercer Island, WA.