The school plays in the Post Primary Basketball Ireland competition League (East Division). We have teams at Minor (1st Years), Junior (2nd Years) and Seniors (U/16 and U/19). Training takes place at Naomh Olaf’s GAA Hall in Sandyford and runs from September to April. The Senior league starts in Late September and finishes in December. Minor and Junior leagues start in January and finish in April. School staff train the teams alongside coaches from UCD Marian Basketball Club.