Islam 22 Educational leadership 13 Islamic religious education 10 Study and teaching 10 History 9 Islamic education 9 Islamic law 8 Malays (Asian people) 8 Religious aspects 8 Economic conditions 7 High school principals 6 Management 6 School management and organization 6 Study and teaching (Secondary) 6 Social life and customs 5 Attitudes 4 Doctrines 4 Islamic heresies 4 Malay language 4 Social aspects 4 Social conditions 4 Teacher-principal relationships 4 Teachers 4 Ulama 4 Case studies 3 Economic aspects 3 Finance 3 High school teachers 3 Marriage (Islamic law) 3 Mosques 3