Sisseton High School - Class of 2003 Alumni

Join thousands of alumni from Sisseton High School and the Class of 2003. Reconnect with classmates, photos, yearbooks, upcoming reunions.

Varsity Football Schedule 2026-27

08/20 vs Webster
08/27 vs Estelline–Hendricks
09/03 vs Great Plains Lutheran
09/10 vs Waubay–Summit
09/17 vs Britton–Hecla

Upcoming Class of 2003 Reunions

Browse past reunion events and photos for your class here.

Past Class of 2003 Reunions

Browse past reunion events and photos for your class here.

Sisseton '03 Apparel

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

Class Yearbook

View past yearbooks

Connect with Class of 2003 Classmates

Heather Spencer

Kate Chilson

Jack Leiseth

Angelina Lamers

Richard Wallenstein

Nearby Sisseton Classmates

Class of 2001

5 classmates have joined

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Class of 2002

3 classmates have joined

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Class of 2004

4 classmates have joined

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Class of 2005

4 classmates have joined

View Class of 2005 Alumni