After winning their division in the Bunbury Tennis competition against local schools, MacKillop selected their best junior girls to compete in the 2018 Schools Tennis Classic Metro finals. Caitlin Sheridan (Year 9) and Jade Carter (Year 8), as well as Year 7 girls Matilda Thomson, Milly Oldmeadow, and Isabella Van Kleef, travelled up to Perth to compete in the Metro Finals on Monday 19 March.