Repetition rate in Grade 5 of primary education, both sexes (%)

Number of repeaters in a given grade in a given school year, expressed as a percentage of enrolment in that grade the previous school year. Divide the number of repeaters in a given grade in school year t+1 by the number of pupils from the same cohort enrolled in the same grade in the previous school year t.

本数据集统计指标为特定学年某年级的留级生（repeaters）占比，即该年级留级生数量以上一学年该年级注册人数为基准计算的百分比。具体计算方式为：将学年t+1时某年级的留级生人数，除以同一同期群（cohort）学生在上一学年t时该年级的注册人数。