Lowered grades and poor school performance.

导致考试成绩较低和学业成绩差。

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There\\\'s a double threat out there that may help explain poor school performance, criminal behavior, alcoholism, and the growing numbers of Alzheimer\\\'s patients.

有一个双重威胁也许可以帮助解释恶劣的学校表现、犯罪行为、酒精中毒和阿尔茨海默氏症的患者的增加。

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Relatively low levels of exposure can reduce their IQ scores, cause learning disabilities, poor school performance, and violent behaviour, all of which may contribute to reduced lifetime earnings.

较低量接触可降低其智商评分，引起学习障碍、学习成绩不良以及暴力行为，所有这些可促使终生减少收入。

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The report recommended action to tackle low incomes, as well as food poverty and the link between poverty and children's poor performance at school.

BBC: young girl sitting near railings

And the poverty has as much of a significant effect upon the educational performance and upon the ability of a poor school district already to deliver an equal educational opportunity.

NPR: De Facto School Segregation Growing, Study Says

Some 20% of the intake are on free school meals, an indicator of poverty often linked with poor academic performance, and 20% do not speak English at home.

BBC: Schools celebrate league table success