[citation needed] The school consists of eight houses, which are named after tributaries of the Werribee River, and each have their own colour, animal mascot and a native flora to represent them.

The houses compete in a number of events including athletics, chess, music, drama, swimming, cross-country and community singing.

[1] In 2015 Bacchus Marsh Grammar received negative press for its treatment of a transgender student Erik Ly.

Erik claims he told staff he was transgender but still had to wear "the girls uniform".

[4] In 2019, Bacchus Marsh Grammar opened up a new campus for middle school students in Aintree.