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。
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