You need to spend time doing your own research. There is more to University than the content of the course.
You could go to cambridge and have a wonderful degree but no-one will employ you because its largely theory.
Visit click here as a starting point, you may also like to consider click here as another source of information.
Speak to your careers people at school (or college) and find out if your school goes to a UCAS Convention - if so make sure you go along.
You can't submit an application for 2004 entry till the 1st Sept anyway, so you've plenty of time to consider your options.