Often times students in Japan line up according to their height.
Kids in Japan often line up from shortest to tallest at school.
この場合、次のような言い方ができますよ。
ーOften times students in Japan line up according to their height.
「日本の学生は背の順に並ぶことが多い」
to line up according to one's height で「背の順に並ぶ」と言えます。
ーKids in Japan often line up from shortest to tallest at school.
「日本の子供たちはよく学校で背の低い子から高い子の順で並びます」
to line up from shortest to tallest で「背の低い子から高い子の順で並ぶ」とも言えます。
ご参考まで！
カナダ 
