Gawd ... I have the same problem!
Extension maths is one of those subjects that I just can't see myself enjoying... and I've only done like 3 lessons. I think I'll drop it after the first assessment.? Maybe- that's if I manage to hold out.
I feel your pain. Good luck :D
Consult your teachers to find what last years (or previous years) highest HSC marks were. Find out what ranking this is relative to your cohort. Apply this to what you need to aim for.
This will help you immensely:
http://www.matrix.edu.au/how-to-achieve-99-95-atar/
If you are a good student then you should do well wherever you go. Don't worry about the cohort being dragged down; what you need to focus on is your performance, making certain you are doing the best possible work you can.
Sure, at any school you'll find narky teachers and irritating...
^^^
If that's not an option then try this:
http://www.fitnessblender.com/v/article-detail/How-to-get-Bigger-Boobs-without-Surgery-Exercises-for-Bigger-Breasts/bo/
Nothing will make your boobs bigger (eg diet or exercise) apart from producing breast milk.
But you can do exercises to...