Mount Si High (MSHS) Class of 1989 Alumni List

Help us Update the Mount Si High 1989 Class List by adding any names missing from the list below:

Reunions and Mount Si High School News

More 1989 alumni from Mount Si HS have posted profiles on®. Click here to register for free at® and view other 1989 alumni.


If you are trying to find people that graduated in '89 at Mount Si HS in Snoqualmie, WA, check the alumni list below that shows the class of 1989.

Mount Si High School alumni can relive their experiences from high school by sharing memories and pictures, reconnecting with those alumni listed, and more.