PETER W. COOKSON, Jr. is Assistant Dean of the School of Education at Adelphi University. His experience spans secondary and higher education. He has published several books and numerous articles on public and private schooling.ALAN R. SADOVNIK is Associate Professor of Education at Adelphi University. An expert in the sociology of education, he has authored and edited several significant books and a number of scholarly articles.SUSAN F. SEMEL is Assistant Professor of Education at Adelphi University. An authority on the history and philosophy of education, her many publications reflect her strong comparative interests.