If a country appeared at the bottom of the list, that country had a comparatively large achievement gap.

如果哪个国家的名字出现在表格的最底端，那就表明，这个国家在这方面存在着相当大的差异。

If you look at what we are facing right now, and the achievement gap we have in this city, it is unacceptable.

看看我们眼下所面临的，和我们在这个城市所取得的成，这是无法接受的。

And because we acted, students are performing better in reading and math, and minority students are closing the achievement gap.

由于我们采取了行动，所以现在，学生们的阅读和数学成绩提高了，少数族裔学生也正在消除学习成绩上的差距。

But the achievement gap is still wide, and there is (hotly disputed) evidence that students are afforded less time for creative inquiry.

尽管如此，资优生和差生的成绩差距还是很大。有(存在激烈争议的)证据表明，学生难以腾出更多的时间进行创作。

For the past five years, the national conversation on education has focused on reading scores, math tests and closing the "achievement gap" between social classes.

过去的5年中，全国范围内关于教育的讨论集中在阅读分数，数学考试，消除社会各阶层之际成就差距上。

We are making progress on narrowing the gender gap in young children's achievement but we know that we need to do more.

我们在缩小幼儿成绩的性别差距上正有所进展，但我们还需加倍努力。

The new gender gap refers to that the school achievement and daily lives in class for boys are in disadvantage.

新的性别差距系指近年来男生在学习成绩、班级日常生活等方面处于不利地位的现象，可以说目前这种现象已较为普遍。