SGPstateData is an object of class list containing information on state assessment programs, organized by state. Currently the list contains achievement level cutscores and labels for the state assessments, assessment name and abbreviation, growth cutscores and labels, information on vertical scaling, and knots and boundaries currently being used for SGP analyses at the state level. The cutscores, in particular, are used to calculate growth-to-standard/projection values. States currently included in the data set are Arizona (AZ), California (CA), Colorado (CO), Connecticut (CT), Georgia (GA), Hawaii (HI), Idaho (ID), Indiana (IN), Kansas (KS), Maine (ME), Massachusetts (MA), Minnesota (MN), Mississippi (MS), Missouri (MO), Nevada (NV), New Hampshire (NH), New Jersey (NJ), New York (NY), Oregon (OR), Rhode Island (RI), Utah (UT), Vermont (VT), Virginia (VA), Washington (WA), West Virginia (WV), Wisconsin (WI), Archdiocese of Baltimore (AOB), Colorado English Language Assessment (CELA), Demonstration (DEMO), Australia NAPLAN (NAPLAN) and New Haven (NEW_HAVEN).