Sidney High School - Class of 1980 Alumni
Join thousands of alumni from Sidney High School and the Class of 1980. Reconnect with classmates, photos, yearbooks, upcoming reunions.
Varsity Football Schedule 2026-27
08/27 vs Park
09/03 vs Laurel
09/10 vs Polson
10/31 vs Fergus
09/03 vs Laurel
09/10 vs Polson
10/31 vs Fergus
'80 Reunion Info
Class of 1969 reunion
Class of 1969 let's get it together and get together for a class reunion!
View Details →Class Yearbook
View past yearbooks
Recently joined '80 Classmates
Lynn Dennis
Class of 1980
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Class of 1978
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Class of 1979
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Class of 1982
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