This report describes the activities undertaken by the City of Philadelphia School District during its voluntary desegregation preimplementation orientation and training year (1977-1978). School District activities are described in five areas: staff development, community involvement, dissemination, funding, and the movement of pupils. Appended to the paper are a desegregation plan update report, staff development and dissemination information, descriptions of special program high schools, descriptions of Elementary and Secondary Education Act programs, a table of school enrollment broken down by race, and the results of a high school student questionnaire. (MK)