OK this one is going to seem crazy. Take an EMT class. They're pretty short, typically 2 nights per week for 3+ hours plus a few hours on saturdays for practicing skills. Programs vary and many are shorter than 3 months. The cost is probably still around $1,200 but many towns offer local scholarships (we do). EMTs are in incredible demand, you can work literally anywhere, usually on your own schedule, part time, weekends, nights. I work one shift per week. Yes it's SHITTY pay but that's not why you are there.

You will meet lots of people your age. You will meet other EMTs and medics. You will meet firefighters. You will regularly see nurses.

It's honestly fun, for me it was life changing. Guarantee that you will meet new people in ways you cannot imagine!