Tri-valley High School - Class of 1978 Alumni, Colton SD
Join thousands of alumni from Tri-valley High School and the Class of 1978. Reconnect with classmates, photos, yearbooks, upcoming reunions.
Varsity Football Schedule 2026-27
08/27 vs Milbank
09/03 vs Madison
09/10 vs Lennox
09/24 vs Custer
10/08 vs Dell Rapids
10/15 vs Beresford
10/21 vs Sioux Falls Christian
09/03 vs Madison
09/10 vs Lennox
09/24 vs Custer
10/08 vs Dell Rapids
10/15 vs Beresford
10/21 vs Sioux Falls Christian
'78 Reunion Info
Class of 78 reunion/50th Birthday Party
This will be pot luck. Please bring your ownn drinks, salad or dessert and we will provide meat. We will have bean bag...
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Recently joined '78 Classmates
Gail Pearson
Class of 1978
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