00900nam a2200193Ia 450000100060000000300050000600500170001100800410002802000150006910000310008424501230011526000770023830000190031552001910033465000580052565000430058365000480062670000320067459371BIBL20160527190813.0920422|1991||||vau|||||||||||00010|eng|d  a088210242710aWilliamson, Ronald.2Local10aPlanning for successbsuccessful implementation of middle level reorganizationcRonald Williamson, J. Howard Johnston.0 aReston, Va.bNational Association of Secondary School Principalscc1991.  av, 90 p.bill.  aPresents 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. 0aMiddle SchoolszUnited StatesxAdministration.2Local 0aEducationxAims and objectives.2Local 0aEducational planningzUnited States.2Local10aJohnston, J. Howard.2Local