If coaches are genuinely interested, they’ll be in touch. Believe me, if you are a potential scholarship offer for them, they will track you down by phone, email, social media, through your coach, etc.
There could be a few scenarios of why you haven’t heard from them:
Hopefully, since they expressed interest, it is a start. Remember, at the end of the process you just need to find that one coaching staff who believes in you, not 50 teams! Continue to review the 8 Ways Players Get Recruited, and try to get involved in as many ways as possible to continue to get your name out there to more and more coaches!