To track students who are not returning, including the reason they are not returning:
  1. Go to Core > Settings > Custom Fields
  2. Click Admin View Only Fields > +Add Field. This is an internal field that can only be seen by Platform Managers for reporting purposes. 
  3. If you want to use a publishable custom defined field, you can add a custom user field to Publishable Fields in Core > Settings > Custom Fields + Click to Add Name.
  4. You can create a list with User School Defined Fields to display the custom field. User-added image