Mount Si High School - Class of 2018 Alumni, Snoqualmie WA
Join thousands of alumni from Mount Si High School and the Class of 2018. Reconnect with classmates, photos, yearbooks, upcoming reunions.
Varsity Football Schedule 2026-27
09/03 vs Arlington
09/10 vs Rogers
09/17 vs Tumwater
09/24 vs Hazen
09/30 vs Issaquah
10/08 vs Eastlake
10/15 vs Skyline
10/22 vs Bellevue
09/10 vs Rogers
09/17 vs Tumwater
09/24 vs Hazen
09/30 vs Issaquah
10/08 vs Eastlake
10/15 vs Skyline
10/22 vs Bellevue
'18 Reunion Info
Class Yearbook
View past yearbooks
Connect with Class of 2018 Classmates
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Class of 2016
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Class of 2017
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Class of 2019
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Class of 2020
6 classmates have joined