School management and organization School principals Educational leadership 45 Attitudes 6 Psychological aspects 5 Teacher-principal relationships 5 Case studies 4 Professional relationships 4 Decision making 3 School improvement programs 3 Education 2 Education, Primary 2 High school principals 2 Management 2 School budgets 2 School supervision 2 Self-efficacy 2 Teachers 2 Transformational leadership 2 Academic achievement 1 Aids and devices 1 Aims and objectives 1 Assistant school principals 1 Communication in management 1 Counseling in secondary education 1 Creative ability in business 1 Curricula 1 Delegation of authority 1 Education and state 1 Educational planning 1