Percentage of students at the lowest level of reading proficiency is the percentage of students at the lowest level of proficiency on the reading scale in national or international assessments

Mean performance on the mathematics scale is the mean mathematics score for students in national or international assessments

Mean performance on the science scale is the mean science score for students in national or international assessments

Mean performance on the reading scale is the mean reading score for students in national or international assessments

The percentage of students who achieve the lowest passable grade or above in examinations taking place in the final year of secondary school (Source: Audrey Chapman (2007) Development of Indicators for Economic, Social and Cultural Rights: The Rights to Education, Participation in Cultural Life and Access to the Benefits of Science: p.152)

Technical / vocational enrolment as a percentage of total secondary enrolment is the percentage of secondary students enrolled in technical / vocational education programmes, including teacher training programmes

Special measures to include child labourers in education include, inter alia, adapting schools' schedules during harvest seasons in rural areas and making non-formal forms of schooling available for child labourers

Specific measures to combat child labour include, for example, providing cash transfers to poor families