It is impossible here because

来源: spring_breeze 于 2010-02-24 06:25:37 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (159 bytes)

there are so many asian kids here. The top 1% almost have perfect score in all courses. Even if my son gets
perfect score, the 4.0 class will drag him down.

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