successful implementation of middle level reorganization Williamson, Ronald. creator Johnston, J. Howard. text vau Reston, Va National Association of Secondary School Principals c1991 monographic eng v, 90 p. ill. Presents a systematic approach to the general reform of the middle school environment, an approach based on the implementation of such changes in the Ann Arbor, Michigan, public schools. Ronald Williamson, J. Howard Johnston. Middle Schools United States Administration Education Aims and objectives Educational planning United States 0882102427 920422 20160527190813.0 59371