Case studies School management and organization 20 School discipline 11 Study and teaching (Secondary) 11 Attitudes 10 Management 10 School principals 9 Teachers 9 Arabic language 8 Educational leadership 8 Job satisfaction 8 Academic achievement 6 Employees 6 Malay language 6 School supervision 6 Study and teaching 6 Grammar 5 Student activities 5 Consumer satisfaction 4 Curriculum planning 4 English language 4 Errors of usage 4 Evaluation 4 Information technology 4 Islam 4 Motivation in education 4 Students 4 Classroom management 3 Customer services 3 Job stress 3