Issue Briefs Subject(s): Education & School Finance (Pre & K-12) Published: October 20, 2016 Agency: Legislative Council Staff Personally identifiable information (PII) is information that can be used to trace or identify an individual. In Colorado K-12 education, the term refers to student data collected and retained by public schools and school districts, and maintained by the Colorado Department of Education (CDE). This Issue Brief provides an overview of Download Document