This book is a set of inservice staff training modules designed to help teachers, administrators, and auxiliary staff to produce high levels of achievement regardless of the socioeconomic level or ethnic make-up of the student population. It operationally defines school learning climate as attitudinal and behavioral patterns which impact on the level of student achievement. Module one calls for replacing negative with positive attitudes by teachers, while the second module investigates the relationship between teacher expectations, student perceptions of teacher expectations and evaluations, and student achievement. Specific roles and responsibilities for different staff members in the school are examined in module three. Module four addresses principles for grouping students in order to maximize achievement and simplify classroom management. The fifth module deals with methods of effective instruction. Ways to maximize allocated time for all students is the subject of module six, while module seven addresses the problem of discipline. Modules eight, nine, and ten discuss methods for student cooperative learning, the use of positive reinforcements such as praise, and the use of assessment data to improve instructional programs, respectively. The final module offers ways to sustain parental involvement in school activities. Appended to each module are lists of suggested activities and additional resources. (AOS)