 It is located on the Upper Kilmacud Road in South Dublin on a 25-acre site.Most of the school's students live in the surrounding areas such as Balinteer Kilmacud, Sandyford, Dundrum, Goatstown, Stillorgan, Balally, Leopardstown, Ballyogan.St Benildus College is under the Le Chéile trusteeship as of 2010, but still follows De La Sallian Way.