You are only young so don't despair. I know it sounds mad but have you thought of applying for jobs at your local Council ? They do take people at the 'bottom' for admin jobs and if you are honest at the interview and say you want to make a career etc. and are wasting your GCSE's you might eventually get a job there, although my advice would be to apply for everything. It is hard at first but once you are in you can apply to other departments internally and there are some very interesting things, planning, trees, licensing etc. I have always found it good fun and you get not terribly well paid to start but you get an increase every year, job security and make lots of lifelong friends. Its usually flexitime too which is brilliant so you can work early or late as it suits you. You need to watch their website like a hawk though. Just an idea anyway !