Those numbers may seem a lot to manage, but if your splitting 14 courses into 25 content sections then you've really got exactly the same content - a different way of managing users: either groups within a course, or just enrolments to the courses.
The content doesn't change, just the way you manage the users and access to it. And that in the end is a personal decision about workflows and how best you feel comfortable with it
The content doesn't change, just the way you manage the users and access to it. And that in the end is a personal decision about workflows and how best you feel comfortable with it