child (elementary/middle school age)
Used when indicating admission fees, passenger fares, etc., to refer to children typically of elementary or middle school age. Often contrasted with 小人 (しょうにん, younger child) and 大人 (だいにん, adult).
See also: 小人 (しょうにん) · 大人 (だいにん)
The admission fee for this museum is 1000 yen for adults and 500 yen for children (elementary/middle school age).
The fare for older children is a little higher than for younger children.