Tri-valley High School - Class of 1973 Alumni, Colton SD

Join thousands of alumni from Tri-valley High School and the Class of 1973. 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

Upcoming Class of 1973 Reunions

Browse past reunion events and photos for your class here.

Past Class of 1973 Reunions

Browse past reunion events and photos for your class here.

Tri-valley '73 Apparel

Browse our apparel store for a wide range of Mustangs gear, from t-shirts and hoodies, to caps and accessories.

Class Yearbook

View past yearbooks

Connect with Class of 1973 Classmates

Bradley Peterson

Nearby Tri-valley Classmates

Class of 1971

3 classmates have joined

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Class of 1972

4 classmates have joined

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Class of 1974

3 classmates have joined

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Class of 1975

5 classmates have joined

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