Zvi D., by His Mother and Next Friend, Shirley D., Appellants, v. Gordon Ambach, Individually and As Commissioner of Educationof the State of New York; Board of Education of the Cityschool District of the City of New York; Frank Macchiarola,individually and As Chancellor of the New York City Board Ofeducation; Christy Cugini, Individually and As Executivedirector of the Division of Special Education of the Newyork City Board of Education; Patricia Vitacco,individually and As Chairperson of the District 20subcommittee of the Committee on the Handicapped of the Newyork City Board of Education, Appellees