IGCSE is freaking easy...dont worry about it, even if u dont study anything in 9th grade, u can still get like the best grades!!
Check out ma grades here
http://smgclan.com/viewtopic.php?f=12&t=1924 ;)
I didnt even study..lol. Got caught like 5 times in 10th grade for bunking academic classes and playing soccer..:lol:
IB is different, it freaking tough and a big pain honestly.
Its a harsh reality after IGCSE :(