little flyer have a look at this thread
http://www.pprune.org/forums/showthread.php?t=312098
I have taught people for GAPAN and if you are dedicated they are more than happy to help.
I would advise not putting all your eggs in one basket. Stick with school and look to be doing a backup just in case.
Have a look at becoming a optician if you like the idea they earn heaps of money very quickly after training. And have plenty of part time jobs for you to do while training or looking for your first pilot job.
The policy of some schools on science is very dependent on the managment of the school. If the managment are more artsy types they begrudge the extra money required to teach the science subjects compared to teaching the art subjects. The fact that the kids will actually get a job with Chemistry, Biology,Physics, Maths and English compared to English, media studys, French, Social studys, etc etc. Has no input into the equation.
I had huge arguments refusing to do Higher English or languages at 'o'grade level. "But it will broaden your personality" aye right it's a waste of time I won't get the grades required for Uni and I would much prefer learning about something useful in woodwork instead of the social factors effecting lesbian single mothers during the highland clearances or speaking frog.