189 F.3d 387 (3rd Cir. 1999) DAVID POWELL; SHELEAN PARKS; PATRICE EVERAGE; JULIA A. DAVIS; YVETTE BLAND; GERALDINE NEWTON; MARIA M. RIVERA; MARY E. MILLER; GREGORY LUZAK; CATHERINE LUZAK; FU-ZHEN XIE; THE BLACK CLERGY OF PHILADELPHIA AND VICINITY; PHILADELPHIA BRANCH NAACP; ASPIRA, INC. OF PENNSYLVANIA; PARENTS UNION FOR PUBLIC SCHOOLS; CITIZENS COMMITTEE ON PUBLIC EDUCATION […]