State Standards Link:

http://www.cde.state.co.us/cdeassess/UAS/Printable_Standards.html

Common Core Standards

http://www.corestandards.org/

ALA Standards for 21st Century Learning

http://www.ala.org/ala/mgrps/divs/aasl/guidelinesandstandards/learningstandards/standards.cfm

Partnership for 21st Century Standards and Framework

http://www.p21.org/index.php?option=com_content&task=view&id=254&Itemid