The Fifth Annual Report of the Stanford Center for Research and Development in Teaching covers the following: a) the center's program; b) a descriptive overview of the center; c) center resume; d) program and project register; e) Program 03, The Environment for Teaching; f) Program 04, Teaching the Disadvantaged; g) Program 05, Heuristic Teaching; h) support services; i) affiliated projects and visiting scholars; j) professional staff of the center; k) Executive Board and the National Advisory Panel members; and 1) recent publications of the center. The main body of the report deals with the three major research programs of the center, and separate projects within each research program are described and reviewed briefly. (HMD)