If you are unwilling to get some paid job experience, volunteer at a homeless shelter or clinic. Then see how you feel. I would suggest you see a school counselor on a regular basis. No one said you “have to have” medication. Talking to a counselor on a weekly basis would help.
Take some random classes. Steve Jobs took Calligraphy at Reed College and learned how to write it in his version of fonts on his computer.
My daughter is your age and has signed up to take a class in: TRACTOR DRIVING. It has a wait list, but she’s still going to try to get in.
College is what you make it. So, go out and make something out of it!