I'm interested in learning about photography. What should I start with?

I love looking at pictures, so I'm thinking about getting a professional camera but I don't know what kind to get that won't bankrupt me. I'm in high school and I can't take a photography for another year since I already chose my elective for next (this coming) school year. Any suggestions on what kind to get for a beginner and where I can get the best deal? Also, any pointers from photographers?