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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Careful work by Maria Donovan Fitzpatrick of the Stanford Institute for Economic Policy Research looked at student achievement in Georgia as its pre-K program phased in.

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Instead, she said, they have increased outreach efforts to build awareness, including a screening program in all pre-K classes that identifies possible candidates.

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