In December 1989, the school district in Philadelphia (Pennsylvania) and Research for Better Schools, Inc., with the support of the Pennsylvania State Department of Education, initiated a collaborative 2-year study of the district's Chapter 1 schoolwide projects. This report presents findings from the study of Taylor Elementary School (currently grades K through 4), one of the schoolwide projects initiated in 1988. Section I describes what it means to be involved in a schoolwide project on the basis of interviews with principal and staff and observations. Section II presents an overview of current instructional practices on the basis of visits to nine classrooms and interviews with eight teachers over a 2-day observation period. Section III explores the instruction received by three Taylor students over a given school day. Section IV describes the reflections of evaluators about the process, commends the teachers' dedication to change, and notes some challenges to be faced. Eleven tables and one figure present study data, and an appendix contains the daily schedules of the three students. (SLD)