The purpose of this report is to comment on practice in the use of existing data bases in program evaluation and school improvement and to explore directions of increased and improved use. The report's impetus is the role that existing data plays in current efforts in local school districts and the possibilities for the future. To a great extent,…

This is one of a series of reports based on an ongoing reality test of systemic evaluation for instructional decision making. This feasibility study is being carried out by the Center for the Study of Evaluation with the Laboratory in School and Community Relations at a suburban Los Angeles high school (called Site A). Viewing a school as a…