"Walking to school" 可以用 "走路上学" 来表示。这是一个常用的短语，来源于英语语境中表示走路到学校的方式。
例句：
I usually walk to school. (我通常是走路上学。)
My parents don't let me ride my bike to school, so I have to walk. (我的父母不让我骑自行车上学，所以我只能走路。)
Walking to school is a great way to get some exercise in the morning. (走路上学是早上锻炼身体的好方式。)