Uther's reaction would be "You have sixty minutes to pack your bags. If I set eyes on you after that - ever - I'm going to throw you bodily out the door. No, I don't want to hear it, go." So, yes, Gorlois's response is quite a bit better.

No, Morgana attends the same school as the other three (she and Gwen had English class together at the beginning of "Adorn You," actually) but Morgana boards there while the other three live close enough to be day students. Morgana's actual house is in the south of England.

And I'm glad you're interested. It's quite helpful in making me work out the fine details, too.