What do “the School" and “the Setting Sun” represent?

Reading Comprehension：Read the quoted parts carefully and answer the questions in English. We passed the School, where Children strove
At Recess—in the Ring—
We passed the Fields of Gazing Grain—
We passed the Setting Sun—
Or rather—He passed Us—
The Dews drew quivering and chill—
For only Gossamer, my Gown—
My Tipper—only Tulle—

What do “the School" and “the Setting Sun” represent?
【正确答案】：

“THE SCHOOL” REPRESENTS YOUTH, AND "THE SETTING SUN" REPRESENTS END OF LIFE.

【题目解析】：“学校”代表青春，“夕阳”代表生命的终结。