St. Gerald's DLS College is a voluntary Catholic secondary school for boys in Castlebar, Co. Mayo, established in 1909. Operating under the Lasallian tradition and the trusteeship of the Le Chéile Schools Trust and the De La Salle Trust, the college provides a comprehensive secondary education curriculum, including Junior Cycle, Senior Cycle, and Leaving Certificate Applied (LCA) programs. The school is committed to academic excellence, student wellbeing, and holistic development through a wide range of extra-curricular activities, including sports, music, debating, and charitable initiatives.