I went to a magical school in another realm for a while before I came here. There are some kinds of magic that don't translate well, but in most cases it is more like studying in another country. The methods can be very different, but often there's a way to achieve the same results with a wand. The rules on the surface change, but not the underlying magical theory.
Splendid! Let's meet next week. I am not terribly worried about the finer details, because the fifth-year examinations of my time may be very different to those you took, and it is unlikely now that I will have to sit them anyway. So long as I can improve, it will be worthwhile.