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The Common Core State Standards

Development and Adoption

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Read about the organizations involved in the development of the CCSS.

Council of Chief State School Officers External Link and the National Governor’s Association External Link oversaw the development of the CCSS. The work was divided into four expert groups:

  • Advisory group
  • Standards development workgroup
  • Expert feedback group
  • Validation committee

The standards were formally released on June 2, 2010.

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Select the graphic to learn more about individual state adoptions from the Common Core State Standards Initiative Web site.


Adoption by State

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and Council of Chief State School Officers. All rights reserved.