Mercer Island High School

Absences:206-236-3346 Phone:206-236-3350

MIHS Announcements

Principal's Message


    Watch Principal Walter Kelly's October 16th message to the MIHS community with information about moving forward with education during this unprecedented time as well as, how to best get our students back in the classroom. Also, a follow up to our staff reaching out to students. Lastly, Principal Kelley discusses what you should do as a student during a power or internet outage. 

About MIHS

  • The Mercer Island School District has one comprehensive high school, one middle school, four elementary schools and the Crest Learning Center – an alternative high school program. Crest grades are housed on the MIHS transcript. Local private and parochial school students also matriculate to Mercer Island High School. 94% of high school age students on Mercer Island attend Mercer Island High School. There are approximately 4,445 students attending school in the district, of which approximately 1,448 are in grades 9-12 at Mercer Island High School.
  • Green Schools