how do i do well in a levels?

I do english lit, economics and computer science and i need AAB to get into my ideal university. How do I do well?

I'd take a lot of notes in class, so that you have a lot to refer back to when it comes to exams. Take advantage of any free periods you get. Get a good amount of sleep so that your more able to retain information. I do English literature and language (I'm in my second year), so I can speak more specifically about that. You really need to learn as much terminology as possible, and ensure that you've developed your analysing skills to a good level. I struggled a bit in my first year, because I didn't use enough terminology, but after I sorted that out, I got an A at AS. Good luck!