This is a revision of a 1973 study of the supply and demand of public school administrators in Minnesota. The revision includes more information on women and minorities. It offers a profile of Minnesota administrators, both their personal and professional characteristics, with the understanding that most administrative positions will be filled from this pool. A second pool, a "ready reserve" of administrators, is made up of persons who have been trained in administration but do not hold administrative positions. This pool is approached through an examination of the output of Minnesota's administrator preparation institutions. There was no way of obtaining data on a third pool, administrators from states other than Minnesota. The data for the discussion of demand was obtained from 430 school superintendents who returned a questionnaire that asked them to predict changes in their districts that will affect the demand for administrators during the next five years. The final chapter, conclusions and policy issues, goes beyond the data to report informed opinion. (Author/IRT)