坏学生与好学生（好学生）

优等生

top student / straight A student （straight A student 全优生，straight 这里意为连续的，一直不间断的得A）

成绩优异

She's got straight A since kindergarden.

从幼儿园起她各门成绩都是优。

He graduated at top of his class. / He graduated with honors.

他以优异的成绩毕业。

跳级

skip a grade

得奖学金上大学

He went to university on a scholarship.

考的不好

I scored a record low. (score得分，a record low 历史最低点）

我的成绩低的吓人。

挂科

If I fail the class, I'm not going to graduate.

如果我这科挂了，我就毕不了业了。

留级

I was hold back a year.

我留级一年。

Was there a specific reason you had to repeat the first grade?

你一年级留级有什么具体原因吗？

接受能力不强的学生

a slow learner

退学

I might have to drop out of school.

我可能得退学了。