This page has a list of countries by Gross enrolment ratio, primary and lower secondary, both sexes (%), according to officially-recognized international sources compiled by the World Bank. Total enrollment in primary and lower secondary education, regardless of age, expressed as a percentage of the population of official primary and lower secondary education age. GER can exceed 100% due to the inclusion of over-aged and under-aged students because of early or late school entrance and grade repetition.