我们的孩子上同一所学校。

Our children attend the same school.

《牛津词典》

我们的孩子和他们的孩子上同一所学校。

Our children go to the same school as theirs.

《牛津词典》

你原来经常和你的兄弟上同一所学校吗？

Used you to go to the same school as your brother?

youdao

So when I got back from Japan, I also attended college, the same college that they were attending.

我从日本回来时，也上了大学，和她们是同一所学校。

从朋友到恋人 - SpeakingMax英语口语达人