on the way home from school
Used as a noun to refer to the time or situation after school when one is heading home.
学校帰りに友達と公園で遊んだ。
On the way home from school, I played with my friends at the park.
学校帰りに本屋に寄るのが日課です。
Stopping by the bookstore on the way home from school is my daily routine.
Compound of 学校 (school) and 帰り (returning).