This book is influenced by and designed to contribute to four significant trends now affecting the school principalship: the increasing significance of the school principal's role in education, the developing interest in the continuing education and preservice preparation of principals, the growing focus on performance objectives for principals, and greater reliance on school system-university partnerships to define and relate effective performance measures to preparation. Performance objectives set forth in the book highlight special ways principals can exercise school and community leadership. All of the domains of behavior treated in the volume are considered in light of these objectives. Means are provided to improve diagnostic procedures which in turn would make continuing education for school principals more effective. (Author)