Universities in general are big places, much larger than even the biggest high school. UNSW is one of the biggest universities in Australia, and has more than one campus, plus:
This is the population of a good-size country town!
Then there is the physical size. Although the main UNSW campus sits tightly within three suburbs - Kensington, Kingsford and Randwick - it is so large that it has its own postcode!
This can cause some difficulties. You'll find yourself moving from a high school with a small population, and a physical environment with which you're very familiar, to the sprawling community of UNSW. This is a daunting and exciting prospect.
So, how do you manage the size of the campus?
Get to know the physical environment before you start uni: