It's his parents' choice to send him to a boarding school, rather than a convenient day school.

把他送到寄宿学校而不是去附近的走读学校，是他父母的决定。

《柯林斯英汉双解大词典》

She was home from convent boarding school and was excitedly looking forward to her gifs next day, which I had already Purchased.

她从女修道院办的寄宿学校回来了，十分激动地等着第二天的礼物，那是我早就买好了的。

youdao

I found myself sitting in a cabin between a Zulu couple from Soweto and a white mother taking her son to his first day at a boarding school near Cape Town.

我坐的包厢介于一对来自索韦托的祖鲁夫妇和一个白人母亲，带着儿子去开普敦附近的一所寄宿学校，这是小男孩第一天去学校。

youdao

In the midst of an on-going recession, parents are still investing in independent school education (private day and boarding schools) for their children in grades K-12.

FORBES: Affordability of Independent Day and Boarding Schools