If you are looking to get some practice or training in before the middle school season starts there are plenty of options around town. Here is some that might fit for your player.
College Camps
UGA Camp (Athens, GA) - Beginning in June - http://sitebuilder2.activecm.net/All_Skills_Camp.htm
Georgia State (Atlanta, GA) - Beginning in July - http://www.sallypolhamusvbcamp.com/individual-specialty-sessions.cfm
Georgia Tech (Atlanta, GA) - Beginning in June - http://yellowjacketvolleyballcamp.com/
Emory University (Atlanta, GA) - Beginning in June - http://www.evbcvolleyball.com/Default.aspx?tabid=25250
Local Clubs
Metro Volleyball (Lawrenceville, GA) - June - http://www.metrovb.org/2016camps
Atlanta Volleyball Academy (Suwanee, GA) - June/July - http://www.atlantavolleyballacademy.com/Default.aspx?tabid=576492