Sioux Valley High School - Class of 1966 Alumni, Volga SD

Join thousands of alumni from Sioux Valley High School and the Class of 1966. Reconnect with classmates, photos, yearbooks, upcoming reunions.

Varsity Football Schedule 2026-27

08/20 vs Roncalli
08/27 vs Clark/Willow Lake
09/03 vs Deuel
09/10 vs McCook Central/Montrose
09/17 vs Beresford

Upcoming Class of 1966 Reunions

Browse past reunion events and photos for your class here.

Past Class of 1966 Reunions

Browse past reunion events and photos for your class here.

Sioux Valley '66 Apparel

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

Class Yearbook

View past yearbooks

Connect with Class of 1966 Classmates

Ron Granum

Larry Knutson

Rolland Jensen

Mary Bortnem

Thomas Meyer

Marilyn (lynn) Bleeker

Nearby Sioux Valley Classmates

Class of 1964

7 classmates have joined

View Class of 1964 Alumni

Class of 1967

2 classmates have joined

View Class of 1967 Alumni

Class of 1968

3 classmates have joined

View Class of 1968 Alumni