Help needed seriously!!!!!!!!!!!

So last year i f***** up my a levels, and didn't quite get into the unis I wanted, so now i'm retaking my a levels, which means............gap year. I've already applied for the a levels through my old school, but only for the summer. I was wondering if anyone could tell me how i could apply for ocr a levels on my own for jan?????? Also I've been trying to get into some 6th form colleges (i went to private school, and my parents are willing to spend anyMORE money on me f******** up so i need to find state ones) but most of the ones i've asked (in london cos i live there) have said no cos i'm not taking an exam with them and also it's a bit late. I was wondering if anyone knew any 6th form colleges that might accept me or any place where I could be taught a level again (preferably without having to pay too much)