To be honest, this is a question that only you can answer. There are so many jobs out there besides the generic jobs like doctor, engineer, builder, designer, etc... There are so many jobs out there that are extremely obscure and may be just the thing for you. It also depends on your talents and since I do not know your talents it will be very hard to make a list. However, I suppose I'll just list out the generic jobs and hope your interests fall within those categories.
Medic/doctor: jobs like this means you should probably take chemistry, biology, anatomy/physiology and health. You know, those types of classes. Taking AP courses is also recomended because it will encourage collages to accept you.
Engineer/builder/designer: This involves a lot of math to be able to design or engineer buildings. Calculus and Geometry with their respective AP courses would be a good starter to encourage collages to accept you.
Creative arts (movies, art, performance): the way to get into this industry is to just take a lot of electives involving what you want to do (eg. choir, art, performing arts etc...)
Lawyer: That's law school :/ It's pretty tough for a lot of people. Lawyers may get payed well but it's a hell of a boring job. Learn your history and learn current/global events to prepare.
Banker: Math mostly, so you can understand numbers and money. Take some economic classes if they're available.
Politcs: Similar to preparing to be a lawyer. Take lots of History classes like World History (AP) so you don't sound like Michelle Bachmann.
Cook/restauranting: I think this is a bad idea. Yeah, it's fine to have a college job as a waiter but as a full time job? Um...pretty low pay. Just make sure you can cook. Go to culinary school.
So those are some of the main jobs out there but keep in mind, you will be guided through a lot of the process by your parents and college guidence counselers. It's really not something you should overly worry about. Jobs and ideas will come your way in due time. :)