Don't know what to take at all

[Alexx..]

I recently dropped out of college because i realised that the subjects i took basically sucked. I'm going back to a different college in september with hopefully knowing what I want to take and what I want to do as a career in the future. Looking at college websites it was so difficult to choose what I want to do as what I want to be in the future involves me taking a subject that i'm basically terrible at and I don't like failing.

Any advice on what I should do?