The Pennsylvania Governor's School of Excellence http://pgse.cis.drexel.edu/
The Davidson Academy of Nevada http://www.davidsonacademy.unr.edu/Articles.aspx?ArticleID=144&NavID=1_33
Regional Summer Schools of Excellence http://www.pde.state.pa.us/excellence/cwp/view.asp?a=12&Q=59006&pp=12&n=1