Welcome to our Mount Si High School Alumni Site! Register here for FREE and reunite with old friends and classmates, plan those High School reunions, and share memories by posting pictures or sharing stories of your fellow alumni.
Honoring Our Heroes
This area is dedicated to our alumni that have served or are serving in our armed forces!
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Lost Class Rings
Have you lost your Mount Si High School class ring? Have you found someone's class ring? Visit our Wildcats lost class ring page to search for your class ring or post information about a found ring.
Mount Si High School Class Reunions
FREE CLASS REUNION WEBSITES! Post your Mount Si High School class reunion information here and receive a free reunion planning website with the reunion tools you need for the perfect class reunion. Wildcats can RSVP and purchase tickets online for their class reunion in one central place. You can post your class reunion photos, event information, book a hotel and share your event on Facebook. Our Mount Si High School class reunion websites are offered free of charge to all our alumni so any Wildcats alumni can plan their class reunion. Simply complete the reunion registration form and you will be on your way to the best Mount Si High School class reunion ever! Let's make 2014 the best class reunion season ever!
Read and submit store about our classmates from mountsi, post achievements and news about our alumni, and post photos of our fellow Wildcats
Wildcat baseball wins 2011 state title
Mount Si's baseball team will be going into next spring as the defending state 3A baseball champions, first time in scho...