Your setup.

[HERculina]

i use one of those small half A4 96 paged exercise books for each subject but for methods i use one book per chapter because i write big   ANd a display folder for each subject too.. that is all

[The Detective]

A4 exercise book for questions, A5 exercise book for class notes and folder for handouts, I've organized each folder with folder dividers. Pretty much the set up for all my subjects except for maths using those expanding folders with each tab labeled by chapter

[rebeckab]

Sociology, Physics, Chem, Lit, Language:
I basically use a binder folder for each of my subjects, stick everything (I mean EVERYTHING) into plastic pockets. All exercises go on looseleaf and into the plastic pockets so nothing gets wrecked I pull apart all booklets given to me and stick them in a pocket each, I hate having to take things out after putting them in pockets haha. Mind you, I think I've gone through about 6 boxes of plastic pockets and we're not even at Term 2 yet!

Methods, Speccy/Further (my school combines 1/2 Speccy and 3/4 Further)
Folder for any notes, spirax books for exercises and one for each subject as a summary.
I've gone through four 128 page spirax books for exercises already, it's getting to be costly :/

[taiga]

I'll be honest, I started with a book for each subject, now it is every subject in one 48 page A5 book that Burbs gave me x100 of for my birthday.

Even then that book is really only maths questions with a sprinkle of some dot points from other subjects. All the rest of my stuff is done on the computer