Prior to Marquette: Johnston began her collegiate career at Illinois, where she appeared in 18 games and tallied five points for the Illini. She scored the golden goal in her team's 5-4 victory over Louisville and also notched three assists during her freshman season. A four-time letter winner at Carmel Catholic High School, Johnston led her team to conference and regional titles during her senior year, scoring 27 goals and earning All-State honors. Johnston played club soccer for Team Chicago Academy - Botafogo, helping her team to a U18 national championship in 2013.
Personal: She is the daughter of Neil and Peggy Johnston and has one sibling, Erin. She plans to major in communications.