Educational resource EDinformatics updates its list of past standardized state tests as they are released. EDinformatics also provides sample questions for current standardized tests. The complete answers to current standardized tests are not available to the public.
EDiformatic uses HTML format for many test answers, and they are accessible through any Web browser. Other answers are stored in PDF files, a proprietary document format associated with Adobe Acrobat Reader.
As of 2015, 44 U.S states participate in the Common Core State Standards Initiative, which seeks to achieve more uniform educational standards across states. Even for Common Core states, however, standardized tests vary greatly