Common,Core,State,Standards,Initiative The,Common,Core,State,Standards,Initiative,is,an,educational,initiative,in,the,United,States,that,details,what,K–12,students,should,know,in,English,language,arts,and,mathematics,at,the,end,of,each,grade,The,initiative,is,sponsored,by,the,National,Governors,Association,NGA,and,the,Council,of,Chief,State,School,Officers,CCSSO,and,seeks,to,establish,consistent,educational,standards,across,the,states,as,well,as,ensure,that,students,graduating,from,high,school,are,prepared,to,enter,credit-bearing,courses,at,two-,or,four-year,college,programs,or,to,enter,the,workforce1 Contents 1,Background 2,Development 3,Adoption 4,English,Language,Arts,standards 5,Mathematics,standards 51,Mathematical,practice 52,Mathematical,content 521,Examples,of,mathematical,content 6,Assessment 7,Response 8,Early,results 9,Adoption,and,implementation,of,Common,Core,State,Standards,by,states 10,References 11,Further,reading 12,External,links Background In,the,1990s,,the,"Standards,&,Accountability,Movement",began,in,the,US,as,states,began,writing,standards,a,outlining,what,students,were,expected,to,kcommon,core,state,standards,initiative,,common,core,state,standards,initiative,standards-setting,criteria,,common,core,state,standards,initiative,and,their,purpose,,common,core,state,standards,initiative,2014,,common,core,state,standards,initiative,south,carolina,,common,core,state,standards,initiative,california,Common,Core,State,Standards,Initiative ,