The JR ranking is now maintained on the USAB website:
http://www.teamusa.org/USA-Badminton/Rankings/USAB-Junior-Rankings
For your amusement, here is a link to the last one I maintained. It might disappear at any point (created July 2015).

This page was last modified on Sun Jul 26 20:44:16 2015 by PJT. © : teuben @ gmail.com