他已经长得穿不上他的校服了。

He's already grown out of his school uniform.

youdao

我上的学校有校服，但要求没那么严格。

The school that I go to have uniform but it's not so strict.

youdao

我妈妈通常会在我的校服上绣上我的名字，以防别人错拿了。

My mother would usually sew my name on my school uniform in case others take it by mistake.

youdao

But the school that I go to, there is a uniform but it's not as strict.

但是我上的学校呢，有校服，但要求没那么严格。

公立学校和私立学校 - SpeakingMax英语口语达人