The school occupied shared facilities with KCVI until September 1990 when a new $15 million campus was opened.

[3] Holy Cross has a history of athletic success at the local, provincial and national levels.

School alumni include NHL defenceman Jay McKee, olympic wrestler Paul Ragusa, and Canadian hockey star Jayna Hefford.

In the past, the Holy Cross Football Team has dominated the sport, winning consecutive OFSAA titles in 2018 and 2019.

The annual musical and prominent theatre-arts program are a staple of student life at HC.