She had been a rebel at school.

她在学校时就是个叛逆者。

《柯林斯英汉双解大词典》

I was at school with her sister.

我和她妹妹过去在一个学校读书。

《牛津词典》

She's in my tutor group at school.

她在学校里是指导我的那个小组的成员。

《牛津词典》

This is a common problem for millions of children around the world and not just at school, but also at home.

VOA: special.2009.12.21

And interestingly, strangely, make of it what you will, the man who detonated that bomb, as I understand it, had studied Yeats at school in Leeds.

有趣而奇特的是，你们可以对此有自己的想法，制造爆炸的那个人，我觉得他肯定，在利兹大学学院里学过叶芝。

耶鲁公开课 - 现代诗歌课程节选

You can answer to this question, someone says, "Well, what are you doing? Are you still here at school?"

当有人问你，“嗯……你在做什么呢？你还在学校吗？”你就可以回答了，

I'm about to 课堂 - SpeakingMax英语口语达人

People met their spouses and their friends at school, through work or at bars.

FORBES: Reshaping Reality

She and six other mothers put the products together while the kids are at school.

FORBES: Entrepreneur moms

Bridget is deeply involved in theater arts at school, and says her hero is her Mom.

WHITEHOUSE: The White House