"Completion status" refers to whether something has been finished or completed. It indicates the progress or stage of completion of a task, project, or goal. Full definition
With advanced LMS reporting you can track completion status, student interaction with specific questions in a course, transcripts, and more. (elearningindustry.com)
And that data is extremely limited, including data such as completion status, pass / fail, and test scores. (elearnmag.acm.org)