A-level is definitely a huge step up from GCSE, but you get used to it pretty quickly and it's fine if you put the work in. I agree with Excalibur though- to be honest, I think people who consider themselves fluent just because they have an A-level are kidding themselves. I have an A at A-level, a merit at AEA and have just done the first year of a degree, but I know I'm nowhere near fluent! When I graduate with at least a 2.1 and have spent some time in the country, then I'll hopefully consider myself fluent. If you have an A-level, you could have a decent conversation with someone in the country, you could read newspapers/notices/leaflets or whatever, you could listen to the radio/watch the TV and you could do most writing, but that's probably about it.