The "Add" button on the Classes page in the Unassigned section allows you to search for and add an Enrollee straight to the Unassigned list.
If you select the checkbox, it will send an enrollment confirmation email upon adding the Enrollee.
Tooltips are on the "Assign," "Re-enroll," and "Add" buttons showing additional information about what that button does.
Assign Button
The Assign button assigns the selected Enrollee(s) to Classes within this Program.
Assign Enrollee to Class(es)
Re-enroll Button
The Re-enroll button moves the selected Enrollee(s) to a different Program.
Re-assign Enrollee to a different Program
Add Button
The Add button adds an Enrollee to the Unassigned List.
Add Enrollee to the Unassigned List