People tend to check in during these times:
555 is the no of the free shuttle bus within Sydney CBD. Weekdays 9-3pm (with late finish at 9pm on Thursday), weekend 9.30-6pm. The buses are in great condition, try 'em ;)
If you have a 9am start class, get here well before 8.30 if you want to make it to class
Most nights the 10:05 (374) bus runs late
Catch 610/61 bus at Pitt st opposite central for a guaranteed seat to the Hills district.