Dates Event School(s)
8/26/2019 - 8/27/2019 New Teacher Orientation All Schools
8/28/2019 Teacher Prep Day All Schools
8/29/2019 Tech. Integration Day All Schools
8/30/2019 Half Day Professional Development All Schools
9/2/2019 Labor Day All Schools
9/3/2019 Pre-Service Day All Schools
9/4/2019 First Day of School Grades 1-12 All Schools
9/9/2019 First Day of School Kindergarten
West Mercer Elementary
Lakeridge Elementary School
Island Park Elementary
10/11/2019 Professional Dev. (PD) Day: Half Day (PM) All Schools
10/11/2019 Student Half Day All Schools
10/14/2019 Columbus Day All Schools
10/31/2019 Halloween All Schools
11/1/2019 End of First Quarter (MIHS) Mercer Island High School
11/3/2019 Daylight Saving Time Ends All Schools
11/11/2019 Veteran's Day All Schools
11/18/2019 Half-day Elementary Grading Day All Schools
11/25/2019 - 11/27/2019 Elementary Conferences (2.5 days) All Schools
11/25/2019 - 11/27/2019 No School: Elementary All Schools
11/27/2019 End of First Trimester (IMS & Elem)
West Mercer Elementary
Lakeridge Elementary School
Islander Middle School
Island Park Elementary
11/27/2019 IMS/MIHS Student Half-day
Mercer Island High School
Islander Middle School
11/27/2019 MIHS Regular Start Mercer Island High School
11/27/2019 Progress Report Prep (IMS) Islander Middle School
11/28/2019 Thanksgiving All Schools
11/28/2019 - 11/29/2019 Thanksgiving Break (No School) All Schools
12/23/2019 - 1/3/2020 Winter Break (No School) All Schools
12/25/2019 Christmas Day All Schools
1/1/2020 New Year's Day All Schools
1/6/2020 School Resumes All Schools
1/20/2020 Martin Luther King Day All Schools
1/22/2020 - 1/24/2020 MIHS Finals Mercer Island High School
1/24/2020 End of First Semester (MIHS) Mercer Island High School
1/27/2020 IMS & Elem PD Day (No School: Students)
West Mercer Elementary
Lakeridge Elementary School
Islander Middle School
Island Park Elementary
1/27/2020 MIHS Grading Day (No School) Mercer Island High School
2/14/2020 Valentine's Day All Schools
2/17/2020 - 2/21/2020 Mid-Winter Break (No School) All Schools
2/17/2020 President's Day All Schools
3/8/2020 Daylight Saving Time Begins All Schools
3/17/2020 St. Patrick's Day All Schools
3/19/2020 End of Second Trimester (IMS & Elem)
West Mercer Elementary
Lakeridge Elementary School
Islander Middle School
Island Park Elementary
3/20/2020 IMS & Elem Grading Day (No School)
West Mercer Elementary
Lakeridge Elementary School
Islander Middle School
Island Park Elementary
3/20/2020 MIHS Prof. Dev Day (No School: Students) Mercer Island High School
3/20/2020 - 4/24/2020 Statewide public and privates school closures. Effective dates are Tuesday, March 17 through Friday, April 24, subject to extension. All Schools
4/3/2020 End of Third Quarter (MIHS) Mercer Island High School
4/6/2020 - 4/10/2020 Spring Break (No School) All Schools
4/12/2020 Easter All Schools
5/5/2020 Cinco De Mayo All Schools
5/22/2020 Scheduled Weather Make-up Day All Schools
5/25/2020 Memorial Day All Schools
6/12/2020 Half-day Elementary Grading Day
West Mercer Elementary
Lakeridge Elementary School
Island Park Elementary
6/19/2020 End of Second Semester (MIHS) Mercer Island High School
6/19/2020 End of Third Trimester (IMS & Elem)
West Mercer Elementary
Lakeridge Elementary School
Islander Middle School
Island Park Elementary
6/19/2020 Last Day of School All Schools
6/22/2020 - 6/23/2020 Scheduled Weather Make-up Days All Schools
7/4/2020 Independence Day All Schools