The successful teacher possesses certain indispensable personal traits and professional attitudes. Are these traits and attitudes associated with high intelligence? Are high intelligence test scores predictive of success in teaching? Do successful teachers have a high degree of scholarship? What is the relation of a high college scholarship to success in teaching? Can the major professors predict success in teaching on the basis of success in college? How accurate is the critic teacher's report in predicting professional ability? Finally, what personal traits and professional attitudes are considered the most important by the principals and how are teachers rated on these? Consideration will be given to these questions to find out what constitutes success in teaching as indicated in the principals' and superintendents' reports.