The Myth vs The Reality
Orientation Week (O-Week) is the week before lectures officially begin.
New students often expect a wild, movie-style week of non-stop partying, hazing, and massive dorm events.
Because the vast majority of Australian students do not live in dorms (they commute via train from their parents' houses in the suburbs), the culture is entirely different.
The Daytime Festival
Australian O-Week is essentially a massive daytime corporate and social festival held on the university lawns.
Free Merch: Massive corporations (like banks and telecom companies) set up tents to aggressively hand out free pens, tote bags, and energy drinks to lure you into opening an account.
The Sausage Sizzle: The smell of cheap sausages and onions on a BBQ is the defining scent of an Australian O-Week.
The Societies: This is the most important part. The university's Clubs and Societies will have hundreds of stalls. You will find everything from the prestigious "Law Students Society" to the obscure "Cheese and Wine Society."
The Strategic O-Week Play
Do not just wander around collecting free highlighters.
Use O-Week strategically for your future career:
Join Your Faculty Society: If you are studying Commerce, join the Commerce Society. It costs $10. These societies run the networking nights where massive companies (like Deloitte or KPMG) come to recruit graduates. If you are not in the society, you do not get the invite.
Join One Hobby Society: Join something you actually enjoy (e.g., the Hiking Club or the K-Pop Dance Society). Because Australian universities are massive commuter schools, it is very hard to make friends in a 400-person lecture. Societies are the only guaranteed way to build a social circle.
Do Not Buy Textbooks Yet: The university bookstore will try to scare you into buying $500 worth of new textbooks during O-Week. Wait until Week 1 to see if the professor actually uses the book, then buy it second-hand.