Coláiste Naomh Cormac has a long tradition of providing a wide range of cultural, sporting and leisure activities. Coláiste Naomh Cormac encourages a spirit of involvement and participation as a positive experience in personal development. This variety of extracurricular activities affords the student the opportunity to represent the school at different levels in the activities of their choice, thereby facilitating confidence building and serving to provide a sense of achievement by excelling in a particular field.

As well as helping young people realise meaningful and worthwhile leisure pursuits, these activities help students to discover the value of teamwork, co-operation and participation. They also provide a vehicle through which initiative and leadership skills can be cultivated. Consequently all students are actively encouraged to participate in a wide range of extracurricular activities.