Common Core instructional materials

Nearly all states are developing curricular and supplemental materials to help districts and schools implement the common-core state standards, but far fewer are approving or certifying lists of materials, according to a new report from a Washington-based research and advocacy group. And just four states—Delaware, Kentucky, Oklahoma, and Nebraska—said they are requiring that districts use materials aligned to the common standards in English/language arts and mathematics. (Erik Robelen at Education Week)