Working during the summer when school is out of session is a great opportunity for teenagers to make money and assert their independence. Having a summer job can help you earn spending money, pay for college, and gain practical experience for a future career, all while providing opportunities not available during the school year.
Deciding what you want to do is the hard part. Do you want to work outside? Work with others? Work with animals? Once you figure that out, you will find that there are summer jobs that fit the bill for almost any interests you may have.