Kind of confused About Uni,general life and ETC????

For AS, I recently achieved 3 A's and 1 B (maths,further maths,chemistry and b in physics) . I am thinking about studying mathematics or some sort of maths course with finance and accounting. I want a career in finance or maybe a job as an analyst??? I just want a recommendation of Uni's (preferably in london) where i can socialise and have a lot of fun with people like party and etc. I am mentioning that because a lot of prestigious universities like UCL and Imperial seem to give me the impression of spending all day in the library with socially awkward Chinese students. I just ask as I am from a *****y state school where nobody gives a **** and mainly everyone is doing BTEC sport. Any sort of help related with anything I mentioned will be appreciated.

You can have fun and socialise at any and all universities. It's up to you to align yourself with whoever you want, and not with 'socially awkward Chinese students' who you find a) at all universities, b) are not always Chinese, lots are English and anyway c) there are some Chinese students totally up for lots of fun and parties!

Don't listen to myths and cliches and believe them.