This document is the third annual status report of the Spencerport (New York) More Effective Schools/Teaching Project. Section 1 describes nine documents developed during the project; identifies persons participating in the project; states the applicability of effective schools research to all levels of a suburban school system; and sets forth the basic assumptions, concepts, and research findings upon which the district's master plan was built. Section 2, "Student Achievement" (containing summary tables and comments and disaggregated analyses of student achievement and concomitant goal data for five schools) sets forth changes in student achievement which occurred during the life of the project. Section 3, " Correlates of an Effective School," includes summary tables and comments as well as activities pertinent to each correlate and needs assessment data for the five schools. Appendices include: "How to Read a Disaggregated Analysis"; "The Master Plan"; "Third Overview of the More Effective Schools/Teaching Projects"; "What Is an Effective School?" (Robert E. Sudlow); and "Summary of Responses to the Connecticut School Interview, May 1983, May 1984, May 1985 and May 1986." Numerous tables, graphs, and charts are included. (IW)