Common Core’s new math standards “have the potential to improve average student achievement” by adding focus, rigor and coherence, predict William H. Schmidt and Nathan A. Burroughs in the new *American Educator.*

Common Core State Standards in math resemble the high-quality standards of high-achieving nations, they conclude.

Furthermore, states with standards similar to CCSS-M had the highest eighth-grade mathematics score on the 2009 NAEP. “The more similar the standards were to the CCSS-M, the higher student achievement.”

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