After you create a broad list of potential schools, you will recognize that you need to learn a lot more about these schools and their collegiate soccer programs.  The next step is to educate yourself and conduct your own research.  Read everything you can get your hands on pertaining to your schools of interest, collegiate soccer programs and the college recruitment process.  In addition, there are many comprehensive and informative college resource books on the market.  In fact, your college counseling department at your high school probably has good materials for you to browse.  Finally, a great deal of information can be gained from school websites, and most collegiate soccer programs have homepages as well.