http://www.collegeboard.com/student/csearch/index.htmlCollege board has a good college matching tool you can use for free online. Whatever school you pick could influence who you meet, what subjects you specialize in, and what groups you join. These decisions will impact your entire career and private life, but its really hard to know which school is going to offer the best fit for you.
Whether you're interested in expensive private schools or a cheaper public university, remember to ask questions about how many full-time professors there are, how large class sizes get, and whether or not you'll have an aide or a graduate student teaching sections of your class. Another thing to consider when it comes to costs is living arrangements. Dorms and off-campus housing can add up and quickly create a lot of debt in addition to tuition and supply fees. If its possible to live at home while attending school, this could be a great way to save money or reduce debt.
Ultimately, college is a personal experience and no one's favorite school is going to necessarily be best for you. Everyone has individual qualities they are looking for, so the first step is to ask yourself what aspect of college is most important for you.