High school students Attitudes 24 Study and teaching (Secondary) 14 Discipline 5 English language 5 Mathematics 4 Psychological aspects 4 School discipline 4 Social aspects 4 Study and teaching 4 Ability testing 3 Academic achievement 3 Case studies 3 Education 3 Methodology 3 Rating of 3 School management and organization 3 Social conditions 3 Teenagers 3 Usage 3 Adolescent psychology 2 Computer literacy 2 Data processing 2 Education, Secondary 2 Educational counseling 2 Educational leadership 2 Educational tests and measurements 2 Environmental education 2 Family relationships 2 Information literacy 2