enjoy yr 11 but also study, don't stress out too much. make timetables and plan what you wanna do for the day, take breaks when studying etc.etc. and also join some extracurricular activity
your subjects are pretty good so dw about that
just keep in mind --> economics is nothing like the commerce you did in yr10. it gets pretty stressful in yr12 as you have a lot of content and statistics to remember. it would be beneficial to read The Australian Financial Review regularly in yr12 as it would help you have to good knowledge of...
no not at all, if you were to put that in a top 10 selective exam, you'd probably get a band 4 or maybe a band 5 (they have 0 stats and just skim through the info, the answers aren't proper)