This can be accomplished using the Courses SKY list in onRecord.
  1. Go to onRecord > Lists > Courses.
  2. Click Choose Columns.
  3. Mark Publish to Website.
  4. Click Apply Changes.
Clicking on the column heading for Publish to Website can help with grouping the courses that are/are not published together.
Tip: Once in here, any course that may need to be edited can be by clicking the Pencil icon next to the course name.