What is your degree going to be in? Have you worked in photography yet? Try to get an apprenticeship, or internship this fall through your school with a photography studio, so you'll see what it is like - and that way get course credit at the same time.

Then look around where you live, talk to other photographers about the pros and cons of their business - just tell them you are doing research for school right now if they seem threatened. But check around, see what photography studios have been in business a long time, they may want to hire or to mentor you ...