enroll=to join and apply for a course.
apply=to fill in a form to ask to join a course.
schedule=a plan of event or tasks with time an dates.
timetable=day and time for subject in school each day.
teach=to help people learn a new subject or skill by explaining or demonstrating it.
instruct=to tell some to do something.
qualification=an examination you pass because you need it to get a job or place of university.
skill=knowledge or ability you need to do something well.