Students attending school in big cities made significant gains on NAEP in the years between 2003 and 2013 but those trend lines have flattened in recent years.

Paul Peterson talks with Kristin Blagg, a research associate in the Center on Education Data and Policy at the Urban Institute, about what the data show, and about which districts made the greatest gains.

In “Making the Grade in America’s Cities: Assessing Student Achievement in Urban Districts,” Blagg explains how the NAEP data for students can be adjusted for changes in student demographics to better understand test score growth.

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