Educational leadership 29 School management and organization 23 Study and teaching (Secondary) 19 Teachers 14 Islam 13 High school principals 12 Teacher-principal relationships 11 Environmental aspects 10 Attitudes 9 Indigenous peoples 9 Study and teaching (Primary) 9 History 8 Psychological aspects 8 Study and teaching 7 Curriculum planning 6 Job stress 6 Malay language 6 School principals 6 Social conditions 6 Academic achievement 5 Case studies 5 Job satisfaction 5 Malays (Asian people) 5 Teacher effectiveness 5 Da`wah (Islam) 4 Ethnic Groups 4 High school teachers 4 Islamic law 4 Islamic religious education 4 Management 4