Definitely a chance. In my first year at Tulane I grabbed 2 four star ATH on all american level. They along with JUCO's are the easiest to work on since the computer tends to neglect theses positions for several weeks.
If you are going after players that will make an impact right away for your team and you aren't on the top 10 the only way you can make headway is to use your promises, offer a scholarship, and any good pitches you have I negative recruit any team that has a 2 letter grade difference.