Question

I left out three sentences on the use of "enrol"

1) I signed up for/I enrolled in the drama course.
I enrolled a technical high school in 1998.
2) I joined the Scouts in 1998.
I enrolled in the faculty (at university??) of Medicine
3) I enrolled my child in a guitar course.

Answer 1

1) I signed up for/I enrolled in the drama course. <~~OK
I enrolled in classes at a technical high school in 1998.

2) I joined Boy Scouts in 1998. I enrolled in pre-med courses at UCLA.

3) OK