How much does mandatory extra reading time help students?

Aired: 9/27/2014 | 0:04:55 | Clip
In order to make sure students are reading at grade level, many states throughout the country have taken steps to provide extra reading time and instruction for underperforming students. But how much does simply adding extra time help? Patte Barth, the director of The Center for Public Education, joins Hari Sreenivasan to discuss the issue.

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