Common Core Standards Website. This website has Information about the standards, and their implementation status by state.
Center for K-12 Assessment and Performance Management at ETS. The center released the 2012 report, Coming Together to Raise Achievement: New Assessments for the Common Core State Standards.
Tillamook Bay Community College and Lane Community College (Oregon). Supported by a Core to College grant from a group of foundations, these colleges have worked with partner high schools and state universities to foster alignment of standards across sectors, based on the Common Core and related assessments.