Plains High School - Class of 1989 Alumni

Join thousands of alumni from Plains High School and the Class of 1989. Reconnect with classmates, photos, yearbooks, upcoming reunions.

Varsity Football Schedule 2026-27

09/03 vs St. Ignatius
09/11 vs Charlo
09/17 vs Seeley‑Swan
09/18 vs Seeley‑Swan
09/25 vs Victor

Upcoming Class of 1989 Reunions

Browse past reunion events and photos for your class here.

Past Class of 1989 Reunions

Browse past reunion events and photos for your class here.

Plains '89 Apparel

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

Class Yearbook

View past yearbooks

Recently joined '89 Classmates

Samatha Enger
Class of 1989

Connect with Class of 1989 Classmates

Theresa Omholt

Shane Moss

Scott Kinzie

Douglas Harter

Shannon Harris

Renolle Moltzan

Shane Browning

Nearby Plains Classmates

Class of 1987

3 classmates have joined

View Class of 1987 Alumni

Class of 1988

5 classmates have joined

View Class of 1988 Alumni

Class of 1990

3 classmates have joined

View Class of 1990 Alumni

Class of 1991

4 classmates have joined

View Class of 1991 Alumni