Education, Secondary Curricula 22 Study and teaching (Secondary) 21 Academic achievement 12 Attitudes 12 Teachers 12 School management and organization 11 Computer-assisted instruction 10 Educational leadership 9 Evaluation 9 Curriculum planning 8 Study and teaching 8 Education 7 Educational technology 7 High schools 7 Management 7 Parent participation 6 Rating of 6 Students 6 Examinations 5 Finance 5 School budgets 5 Aims and objectives 4 Case studies 4 Educational tests and measurements 4 History 4 Islamic religious education 4 Social aspects 4 Boarding schools 3 Chinese language 3