Upon Kershner 's retirement December 2 , 2002 , Paul D. Ott was appointed interim principal .
From September 1974 to December 2002 , Joseph J. Kershner served as supervising principal .
Upon Joseph J. Kershner 's retirement December 2 , 2002 , Paul D. Ott was appointed interim principal .
From September 1974 to December 2002 , Joseph J. Kershner served as supervising principal .