Interhouse competitions remain an integral part of the school's ethos. The four Houses with their associated colours are:
Yangardook
Kororoit
Djerriwarrh
Pywheitjorrk
The names for the houses were derived from local waterways. The houses compete in 2 Major Competitions:
Athletics
Swimming
Kororoit current champions for athletics and swimming in 2013
Music
There is a Concert Band which reached a peak in 2006 with more than 75 members attending regular rehearsals and music lessons.
Other Major Ensembles
Jazz
Woodwind
Brass
Flute
Guitar
Vocal
WORKSHOPS with outstanding ARTISTS Major Pat Picket, Don Burrows, James Morrison, Graeme Lylall, Gary Hommelhoff, New Zealand Army Band, Australian Army Band, Majoe Peter Grant, Mark Summerbell- Orchestra Victoria, Peter Moore - Orchestra Victoria, 2005-2009 ORCHESTRA VICTORIA AWARDS 1st School from Victoria to perform at "Movieworld". 1st School in the Western Suburbs to make a CD at Tamworth, N.S.W. 1st School in the Western suburbs to win the Boorandara Eistedfod. 1st School in the Western Suburbs to win the State "C" Grade Championship. 1st School in the Western Suburbs to win the State "Novice" Grade Championship. Bendigo Eistedfod – Won "C grade" Concert Band and Jazz Ensemble, 2nd Boxhill State Championships "B" Grade. "Music Play for Life" - Guitars in schools Project 1st State Championships "C" Grade.
Rock Eisteddfod Challenge
Melton Secondary College had a very successful Rock Eisteddfod team for many years. Among the achievements:
1998: From the Tsar With Love - Revolution : 1st Place, Open Division
1999: What's For Dinner? : 5th Place, Premier Division - The first Victorian school in its state of Victoria to obtain a place in their first year in Premier Division
2000: De Amor En Espana - Love in Spain : 5th Place, Premier Division
2001: Rock'n'the River : 6th Place, Premier Division
2002: Gentleman Prefer Blondes : 2nd Place, Premier Division and Victorian finalist for Nationals
2003: Deutchland - From Hope to Heartbreak : 4th Place, Premier Division
- 2007 welcomed a new team for including Jennifer Toner, Jarryd Pentony, Taneesha Pentony, Natalie Desmond, Jessica McMurrie, Leigh Walker, Amanda Cini, Chris Ferreira
2008: Do You Think We're Joking Marilyn Sorensen and Kate Mainwaring
Previous production team included, among others:
Debra Dunn
Mik Pollard
Janice Kot
Olivia Tardio
Melissa Barker, Paul Rizzo, Nova Stelarc, Fiona Pettett, Belinda Guban, Janelle Mace, Stephen Wakefield
Mark Baddeley, Helen Beynon, Kate Kershaw, David Tait, Chris Egan, Peter Hendrickson, John McConchie and many others
Alan Marsh
The 'Dad's Army'
Tony Glover
Judy Marsh, Carol Harraden, Dianne Glover, Heather Tyrell
The Kot, Marsh, Harraden, Glover, Tyrell, Jones, Rizzo and Carroll families