学がく齢れい児じ童どうMeanings1nounschool-age childrenRefers to children of the age at which they should attend school, typically used in educational or legal contexts.この地ち域いきでは、学がく齢れい児じ童どうの数かずが年ねん々ねん減げん少しょうしている。In this area, the number of school-age children is decreasing year by year.