well, i'd probably continue ent comp (if thats what you mean

) just because presumably you're already almost at the prelims...
am i right in saying you're counting that to your 12, as it stands right now?
physics and bio are good choices, if you're interested, and honestly a mid-80 is not that bad...
are you going for an all-rounder award? or just general high performance, high atar?
if you were saying, maybe you aren't going so well in math, ext 1
might not be the right option, since it's another step up from advanced and if you're not performing as well as you'd like, it'd be better not to have the added work. Can I ask if you're in 5.3? Even if you aren't advanced is still a good choice, imo.
what are your thoughts on english?