Fifth-grade students launch their own "Sea Wolf" submersible in Lake Washington

During the final week of school, fifth-grade students from West Mercer's submersible team launched a submarine of their own construction, the "Sea Wolf," on its maiden voyage in Lake Washington. The team of about a half-dozen students under teacher Tom Tivnan has been designing and building the vessel since January, taking weekly turns as CEO of the project.


video icon Vision 2020 Spotlight: Spring

At Islander Middle School, students are learning the science of flight in their aerospace elective class
At Islander Middle School, students are learning the science of flight in their aerospace elective class. First they learn about the principles of density and buoyancy and then they apply those principles, building different types of aircraft throughout the course. Watch the 2020 Vision Spotlight video and see our students' aerospace dreams take flight.

Latest Headlines

  • Back to School Information Now Available

    Important information regarding Back to School events and related information is now posted on the Back to School web page found here. The web page contains calendar lists for each school as well as links to many documents and other information you need to make a smooth start to the new school year.

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  • Summer update on school construction projects

    Construction will continue this summer on the three facilities projects approved by Mercer Island voters in Feb. 2014 to address overcrowding. Each of the projects is on schedule and within budget. Read more...
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  • Mercer Island School District names new elementary school

    The fourth elementary school in the Mercer Island School District has a permanent name. Northwood will be the district’s newest elementary school, a name suggested by Lakeridge Elementary fifth grader Lainie Wion. Read more...
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  • Mercer Island community supports schools with $950,000 donation through Bridge 2015 campaign

    MISD Board The Mercer Island Schools Foundation (MISF) has raised $950,000 to support Mercer Island public schools through the Bridge 2015 campaign and hopes to reach $1,000,000 by June 30. “More than 55 percent of the Mercer Island School District parent community contributed to Bridge 2015,” said MISF Executive Director Penny Yantis. “These funds are critical to supporting our educational model that is focused on personalization and supplying the necessary coaching, supervision, and professional training, as well as having enough quality teachers to maintain lower class sizes than is funded by the state.” Read more...
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  • Read the Summer 2015 District News print edition

    The most recent print edition of the Mercer Island School District News can be read online now. District News Summer 2015

    The summer 2015 edition highlights the last few months of the school year, including:

    • the MIHS band trip to Australia
    • new administrative staff;
    • teachers and support staff of the year;
    • message from Dr. Plano; and
    • school construction update.
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  • Three more Mercer Island public schools earn King County Green Schools recognition

    Three more Mercer Island public schools are adding green to their colors this spring. Mercer Island High School, Islander Middle School, and West Mercer Elementary have earned King County Green Schools Level Three recognition. Now all Mercer Island public schools have achieved this recognition as Lakeridge Elementary and Island Park Elementary earned the status in 2013. Read more...
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  • Mercer Island High School named WIAA 3A Scholastic Cup champion

    Mercer Island High School (MIHS) has been named the 2014-15 Washington Interscholastic Activities Association 3A Scholastic Cup champion, following a recent weekend that netted the high school five spring sport state titles. This is the eighth year MIHS has earned the 3A Scholastic Cup. Read more...
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About the District

Mercer Island is located in the middle of beautiful Lake Washington, within minutes of Seattle and Bellevue. It is joined with Seattle by the Interstate 90 floating bridge and Bellevue by the east channel bridge. The City of Mercer Island serves primarily as a residential community for about 24,000 people, most of whom are employed in professional and managerial positions in Seattle and the surrounding areas.

The Mercer Island School District has a K-12 population of more than 4,300 and enjoys a wide-spread reputation for quality and excellence, combining academics, cultural expression, and athletic achievement. More info...