School principals 257 Educational leadership 190 School management and organization 169 High school principals 119 Dissertations, Academic 52 Dissertations 51 Teacher-principal relationships 50 Teachers 48 Attitudes 39 Leadership 38 Job satisfaction 27 Psychological aspects 21 Case studies 19 Elementary school principals 19 Education 16 School administrators 16 Management 15 Transformational leadership 14 School supervision 13 Decision making 12 High school teachers 12 Administration 11 High schools 11 Rating of 11 Professional ethics 10 School personnel management 10 Communication in education 9 Curriculum planning 9 Educational technology 9 In-service training 9