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

This indicator refers to the number of such incidents in the last 12 months

Repetition rate is the proportion of pupils from a cohort enrolled in a given grade at a given school year of primary or secondary education who study in the same grade in the following school year (Source: UIS)

Secondary completion rate is the total number of graduates from the last grade of secondary education, regardless of age, expressed as a percentage of the population of the age group that officially corresponds to that of graduating from secondary schools

Primary completion rate is the percentage of students completing the last year of primary school. The UN defines it as: the total number of new entrants in the last grade of primary education, regardless of age, expressed as percentage of the total population of the theoretical entrance age to the last grade of primary. The ratio can exceed 100% due to over-aged and under-aged children who enter primary school late / early and / or repeat grades