Rachel Barr, 17, of Scarborough, Maine, takes a practice SAT Test in a room with other students on February 23, 2016. The redesigned SAT is being administered to high school students for the first time Saturday. Shawn Patrick Ouellette/Portland Press Herald via Getty Images hide caption

toggle caption Shawn Patrick Ouellette/Portland Press Herald via Getty Images

They'll need new prep books. Mario Tama/Getty Images hide caption

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NPR's Claudio Sanchez Discusses The College Board Announcement On 'All Things Considered'
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