What can the education institution do with videos I have created myself and added to my portfolio as a student?

The institution can always use these videos in accordance with the purpose for which they were created.

This means that lecturers can access to the videos to view and assess them. Any other use is only possible if the course's organisers have made the necessary arrangements with you, the creator, regarding this. These arrangements may form part of the general terms and conditions associated with your enrolment.