Selecting either 'Drop' or 'Transfer' will leave a record that the course was dropped.
If the trash can (scheduling error) is not available, the reasons can be:
- The student has grades/ comments in the course
- The student has had attendance taken in this course
- Academcics> People Finder (search and select student) > Enrollment > Manage (to the right of the term to edit)
- Extracurricular> Group Finder > Open the class> Academics > Select Roster> Select Manager Roster