Print off copies of the syllabuses (syllabi?) from the examination board websites. Then order/buy a couple of text books, and maybe 1 or 2 revision guides per subject (I suggest CGP and Letts). These aren't expensive, maybe £5-6 each. Try to order/buy exam practise papers - they're helpful (or, alternatively, you can PM me and I can arrange to send you a website that has practise papers on them - this will save you a few quid).
I think you're pretty much set, you just need to make sure you've booked to take the exam at an exam centre and you get your statement of entry etc. And of course, if you have any problems that you'd normally ask a teacher, you can always post in the Academic Help section of TSR, I'm sure many people would be more than willing to help (myself included).
(Original post by The Nightingale)
BTW, how do you know which textbook applies to the course your doing, is it on the exam board website? And is the textbook the only thing you'll need to pass with flying colours?
I wouldn't rely on just one textbook/revision guide - sometimes two different explanations help you understand it better. CGP and Letts revision guides are compatible with AQA, OCR and Edexcel. Or you can try subject-specific guides, but they're not as accessible and easy to find.
What board do you think I shuold select? I'm currently on AQA with the others?
I personally suggest you do OCR, but that's because I like OCR
How do I deal with the coursework aspect, is there an option to just do a longer paper in Chemistry and Physics, or is coursework a MUST?
Er... I'm not so sure so don't count on this, but I think coursework is a must. Contact the exam centre you're doing your current exams with, and ask them their policy on coursework and how they handle it. That's all I can think of!
But hey - Chemistry and Physics are relatively straightforward to teach yourself. Good luck