The school won a Green Toronto award in 2007 for its pioneering efforts in establishing the Adopt a Stream project that became a citywide model for waterway cleanup.

Nadia Pasquini, a veteran teacher at Chaminade, received the Prime Minister's Award for Teaching Excellence for the 2016–2017 school year.

Pasquini's feats include fundraising over $24,000 for the Free the Children organization as well as partnering with the Working Against Violence Everyday group to raise awareness about screen addiction.

[4] Chaminade College School has a well known hockey program that has help produce and shape many NHL, OHL, NCAA, CIS and OJHL level players over the years.

Notable NHL Alumni includes the likes of Jason Wooley, Mark Giordano, Gino and Paul Cavallini, Michael Vernace and Akim Aliu.