Teachers 216 Educational leadership 100 Attitudes 89 Teacher-principal relationships 88 Teacher effectiveness 67 Training of 66 Job satisfaction 59 High school teachers 45 School management and organization 37 Study and teaching (Secondary) 37 School principals 32 Study and teaching 31 Psychological aspects 29 High school principals 27 Rating of 22 Student teachers 20 Curricula 17 Job stress 17 In-service training 16 Education 13 Mathematics 13 School supervision 13 Study and teaching (Primary) 13 Case studies 12 Islamic religious education 12 Teacher-student relationships 12 Career development 10 Effective teaching 10 Evaluation 9 Islam 9