UTS have generous bonus point schemes.
If you want to do Engineering, doing Engineering at another uni rather than this other random course seems more intuitively logically. Course first, and then ideally the best uni for that course/you. Not cherry picking the uni first.
No Adv Sci is a pretty common pathway for med. Pharmacy you'll end with a much more narrow study than med sci and more so than adv sci/sci (not that narrow is bad if you really like Pharmacy).
For OP, as a current USYD student in this area.
Adv Sci seems really ramped up from what you see...
I think Advanced Sci is good for a number of students because:
A) you have more scope to do courses in the three sciences that are tested in GAMSAT
B) You have more variety to hopefully chose what will grant you the highest WAM/GPA (including those nice elective spots for nice units from other...
The excellent Sydney Student system had me enrolled in a random sixth unit I had withdrawn from over a year ago LOL (but was unseeable to me until uni was like how did you manage to enrol in 36 cp in one semester)
</3 Sydney Student
Sydney Student is so screwed with transcripts atm.
But if you drop the combined part of your degree or from a stream (say Adv) the credit points do count for their value. Oddly enough, anything you have to apply for UAC (say to pick up a combined degree) they credit it but it's like...
I'm going to recommend pacing.
There's gotta be some holidays where you take a rest-and I normally advocate the end of yr 11 to have some real recreation. Not that's it's your last chance, but it's an opportune time to have a rest. And the reason for this, to take this last chance to retreat...
I'm going to recommend that getting a sufficient amount of sleep before an exam will be worth more than the last few hours of cramming.
Academics is not just study, it's about knowing when to rest as well.