In High School: played with incoming freshman teammate Katie Collins for coach Sandy Jones at Har-Ber. A four-year starter for the Wildcats, Marsellis helped her team to two conference championships and a state runner-up finish this past season. A three-time All-Conference selection, Marsellis was also a three-time All-State selection and a member of the All-State Tournament team, as well.

Marsellis is the daughter of Robert and Annie Marsellis and plans on majoring in business at Southern.