Sidney High School - Class of 1990 Alumni
Join thousands of alumni from Sidney High School and the Class of 1990. 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
'90 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 '90 Classmates
Audrey Sheehan
Class of 1990
Connect with Class of 1990 Classmates
Nearby Sidney Classmates
Class of 1988
31 classmates have joined
Class of 1989
27 classmates have joined
Class of 1991
23 classmates have joined
Class of 1992
33 classmates have joined