I find this approach interesting compared something like OpenCourseware. If I understand correctly, this is a very similar approach, with a graded portion not t

I find this approach interesting compared something like OpenCourseware. If I understand correctly, this is a very similar approach, with a graded portion not typically offered at something like Khan or Open Courseware? I'm curious about any enrolment caps and what's next for this approach. EDIT: missing word.