* [http://www.corestandards.org/ Common Core State Standards Initiative (CCSSI)]
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Governors and state commissioners of education from 48 states, 2 territories and the District of Columbia committed to developing a common core of state standards in English-language arts and mathematics for grades K-12. This is a state-led effort coordinated by the [http://www.nga.org/portal/site/nga/menuitem.50aeae5ff70b817ae8ebb856a11010a0/ National Governors Association Center for Best Practices] (NGA Center) and the [http://www.ccsso.org/ Council of Chief State School Officers] (CCSSO).