Educational leadership 13 Psychological aspects 13 Teacher-principal relationships 7 High school principals 5 School management and organization 4 Psychology 3 Attitudes 2 Multiple intelligences 2 Organizational commitment 2 School principals 2 Employee loyalty 1 High school teachers 1 Islamic religious education 1 Job stress 1 Motivation in education 1 Physical education teachers 1 Professional ethics 1 School improvement programs 1 Student activities 1 Study and teaching 1 Teacher-student relationships 1 Teachers 1