St Mary's CBS, located on Millpark Road, is a stand alone campus housing three interconnected buildings.
The main building, renovated in the late 90's is the central area. Aras Tobin or as many may remember it as the 'old primary' is located close to the main entrance while the most recent new build, Aras Kerrigan, is located to the left of the school.
Students enjoy social and extra curricular facilities such as the school library, indoor gymnasium, a strength and conditioning area, a large astro turf facility, a canteen area and other outdoor playing areas.