Marilyn Johnston was a setter on the Ravens Women's Volleyball team where for five seasons was named Most Valuable Player in each year she played. She captained the team for four years, leading the team to its best-ever finish - fourth in Ontario - in 1992-93. She was named to the OWIAA Championship All-Star team and was awarded the Ruth Coe Memorial Award. She also contributed to the Volleyball program as assistant coach from 1991-92 and 1994-95.