Register as an alumni from O'fallon High School (O'fallon Illinois) and reunite with 1,446 classmates and old friends. Share your memories by posting photos or stories, or find out about your next class reunion!
O'fallon Past Reunions
Browse through past O'fallon High School events to reminisce as you view photos taken at our reunions:
O'fallon Yearbooks
Flip through class yearbooks or browse photo albums from classmates, and see what they look like now:
O'fallon Apparel
Check out our huge selection of Panthers spiritwear, including shirts, shorts, accessories and much more!
Panthers PRIDE
O'fallon High School Apparel
O'fallon High School Obituaries
Recently Joined Panthers
Sherry Stepp
Class of 1962
Class of 1962
Colleen Colleen Mcclanahan
Class of 1972
Class of 1972
Laura Black
Class of 2013
Class of 2013
Sharon Enroughty
Class of 1962
Class of 1962
Celeste Celeste Aldrich
Class of 1991
Class of 1991
Heather Baker
Class of 1994
Class of 1994
Richard Huitt
Class of 1970
Class of 1970
Ron Jett
Class of 1987
Class of 1987
Summerlyn Summerlyn Ripley
Class of 1998
Class of 1998
Jamie Foxworthy
Class of 1992
Class of 1992
Larhonda Coleman
Class of 1989
Class of 1989
Marjorie Klein
Class of 1987
Class of 1987