What grade and class are you in?

你在哪个年级，哪个班？

youdao

What grade are you hoping to get?

你希望得到什么样的成绩？

《柯林斯英汉双解大词典》

Let me tell you what we do in our second-grade class.

我来告诉你我们二年级的班级都会做什么。

youdao

"What grade are you in?" "Kindergarten.Pre-K."

VOA: special.2010.04.30

But all of you in this room probably remember what we technically call the base 10 system or decimal system because back in grade school or the like, you learned to count and add and subtract numbers by way of columns.

但是，在座的每一位可能都记得,这在小学的时候学的,以10为进制的系统或者十进制系统,通过数列方式学习数数和加减法。

哈佛公开课 - 计算机科学课程节选

In particular, what grade you would get and what grade your pair would get.

具体说就是你和对手分别得什么成绩

耶鲁公开课 - 博弈论课程节选

Looking back, in terms of successfully completing an agenda, what grade would you give the Democrats this year?

NPR: It's Election Day in San Francisco

What grade are you guys in?

WHITEHOUSE: Town Hall Meeting on the Economy

So what grade are you in?

WHITEHOUSE: Town Hall in Los Angeles