Mercer Island School District

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Mercer Island School District
4160 86th Ave SE Mercer Island, Washington 98040
District information
Type Public
Grades Pre-K through 12
Superintendent Donna Colosky
Students and staff
Students 4,144 [1]
Teachers 249 [1]
Other information

The Mercer Island School District is a public U.S. school district in Washington. Located in an affluent bedroom community of Seattle, Mercer Island, it has a strong academic reputation. The seven schools on Mercer Island provide approximately 4,000 students with primary and secondary education.

Mercer Island High School won the Washington Interscholastic Activities Association (WIAA) and Washington Army National Guard 2015-16 Scholastic Cup Champions for the 3A classification. MIHS has held this title for the past 8 years.[2]


The school district is made up of four elementary schools, one middle school, and one high school (with an alternative branch).

  1. Elementary Schools:
    • Lakeridge Elementary
    • Island Park Elementary
    • West Mercer Elementary
    • Northwood Elementary
  1. Middle School:
    • Islander Middle School
  1. High Schools:

External links[edit]


  1. ^ a b Mercer Island School District 2009-2010 Report Card [1] Accessed online 16 April 2011
  2. ^ "WIAA Announces 2015-2016 Scholastic Cup Champions". Retrieved 2016-07-15. 

Coordinates: 47°34′18″N 122°13′24″W / 47.57167°N 122.22333°W / 47.57167; -122.22333