My dad, George, only had an eighth grade education.

我的父亲乔治，上学只上到八年级。

youdao

I was in the eighth grade and about to take a science test.

那时我上八年级，马上要参加科学考试。

youdao

When I was in the eighth grade, my class was assigned to be friends with the second-grade kids.

当我上八年级的时候，我们班被分配和二年级的孩子做朋友。

youdao

Stevens graduated from the University of Richmond and now works as an eighth-grade teacher.

VOA: standard.2009.12.04

When I was growing up, I went to Catholic school first through eighth grade.

我成长的时候，我上天主教学校一直到八年级，

现在的孩子好可怕 - SpeakingMax英语口语达人

Georgiann has struggled with depression since the eighth grade and she was treated with medication.

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Kindergarten, elementary school -- I don't know what you guys call it -- before eighth grade.

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I'm in the eighth grade so, naturally, I chose Japanese as my second foreign language.

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