agree, don't just focus 100% on study, manage time effectively so that you can enjoy the best 2 years of schooling.If you van stick to it then kudos to you
It might be a bit over the top though, you don't need to go to those lengths for 99.95, balance out your life, enjoy your holz a bit too
IDEX stands for Identify, Define and Explain. This is a backup plan of getting marks in case you somehow screw up a higher order response like Evaluate or Assess. Since in the marking criteria in the HSC you would get at least one or two marks for identifying and explaining however, might not get any marks at all if your evaluate response is not given in a proper order (e.g. - if you forget to put a good judgement)Btw, what is this IDEX/ALARM you mention? The scaffold to writing a response?