The College offers a rich range of co-curricular opportunities in sport, debating, public speaking, music, drama and student leadership. Our many musical ensembles include string orchestras and quartets, concert bands, stage bands, brass and the symphonic orchestra. Marcellin enjoys a strong Arts reputation in the community and our annual musical is always a highlight.

The College strives to create a rich and diverse learning environment which focuses on developing the ‘whole person’. We provide a comprehensive pastoral and transition program which supports our boys as they enter and until they exit the College. Marcellin values positive relationships and partnerships between the College, the home and the broader community. The sense of belonging is enhanced by all students becoming members of a House and a smaller Pastoral Group.

The College is a member of the Associated Grammar Schools of Victoria and Victorian Schools Rugby Union, providing competition in football, cricket, soccer, rugby union and athletics. Apart from the traditional sports, students can also access squash, tennis, golf, basketball, hockey, swimming, volleyball and cross country. An Outdoor Education program is offered from Years 7 to 9, and is designed to challenge our boys to develop a range of personal, interpersonal and practical skills.