Pupils, teachers and parents alike engage in a growing range of extra-curricular activities in Scoil Chormaic CNS, including:
- The annual sports day in Ardgillan
- Swimming lessons
- Football and hurling with Barry from O’Dwyers GAA club
- Participation in the Green Schools Committee
- Annual school tours to places like Dublin Zoo, Tayto Park and Newbridge House and Farm
- Trails around the local area