If you have exhausted all high school level classes in certain fields, it is a good idea to pursue a class at a local community college or online through distance learning or independent study course. You should only take classes that you are passionate about. It is a good idea for you to consult with your school guidance department about which classes to take. If you cannot afford to take the class, your school might be willing to reimburse you for it. You could also take some classes during summer time. If you enroll in an independent study program, it would make it possible to complete assignments according to your schedule, which is a great advantage for busy schedules.
These are some programs that are popular among high school students. This is by no means an exhaustive list of nationally recognized programs. Boy’s/Girls States