A new Peabody study of the Tennessee Voluntary Pre-K program reports that pre-K works, but the gains are not sustained through the third grade.

对田纳西州志愿学前教育项目的一项皮博迪新研究报告称，学前教育是有效的，但这种效果不会持续到三年级。

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K. in July. TED is a nonprofit dedicated to ideas worth spreading, which it makes available through talks posted on its website.

TED是一个的致力于推广有价值思想的非营利性机构，并通过网站贴出访谈记录为人们所用。

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Yet vast floods have also been documented, both through tree-ring data and more modern historical records. Marcia K.

不过，通过树木的年轮和更多的现代历史记录，人们还是可以查到一些大洪水爆发的记录。

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Kopila Valley, which currently serves pre-K through 8th grade, is opening its first high school class.

FORBES: Meet Maggie Doyne, Forbes Excellence In Education Winner, Mommy To 40

In K through 12, we have a variety of reform proposals that really reward innovation and they reward success.

WHITEHOUSE: Press Briefing on the President's Budget

We know that when it comes to education, particularly in the K through 12 context, that state dollars are very important.

WHITEHOUSE: Press Briefing