umm... what are you on?
UTS business school is great and is one of the most "practical" and "hands-on" schools there are in NSW which is preferred by employers.
I personally know many people who graduate from UTS business and land excellent jobs with very good companies at salaries which most...
Saw the news this morning and then checked the share prices, were down like 5.2% or something a few hours ago... Clearly he's the one who "is" the company, and he'll keep controlling it, just that he won't be working around the clock.
For the actual HSC, you should make sure you know all of your content and then do past hsc papers, nothing beats them for preparing for the hsc, and once you run out do other trial papers :)