How about focusing first on what you want to work with? For example.. phone tech? Apple? Android? Do you want to work in a company doing database design and maintenance? What are your skills? Are you good at
.. what? Maybe you are a math whiz? It's a hard question to answer so perhaps coming from the angle of what you want to accomplish with that would be the best approach? At your age, you might not have a clue.. but you can start thinking that way..