Illini Central High School - Class of 1975 Alumni, Mason City IL

Join thousands of alumni from Illini Central High School and the Class of 1975. Reconnect with classmates, photos, yearbooks, upcoming reunions.

Upcoming Class of 1975 Reunions

Browse past reunion events and photos for your class here.

Past Class of 1975 Reunions

Browse past reunion events and photos for your class here.

Illini Central '75 Apparel

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

Class Yearbook

View past yearbooks

Connect with Class of 1975 Classmates

Kathy Harrison

Rhonda Tomlin

Shirley Zimmerman

Nearby Illini Central Classmates

Class of 1973

2 classmates have joined

View Class of 1973 Alumni