If you haven’t seen it already, do a google search for Downbeat magazine’s jazz school guide, Where to study jazz in 2016. You can download it for free, although you have to fill out an info form first. Lots of good information there. Also, there’s a great thread you can read through here:
http://talk.collegeconfidential.com/music-major/154774-best-university-jazz-programs-p1.html