Across the foyer from the sitting room in the school, we can see a music room that has two windows, but from the outside there are no windows. Also, it's impossible for there to be a room to the right of the foyer because on the outside there is not enough room.
When Sarah and Captain Crewe are on the boat to America, if you look in the background at night when Sarah and Captain Crewe are talking and then dancing, the ocean is not moving at all.
Rosemary: That's it! I can't take it anymore! I don't care what you say about Sara's stories. They've got to be more fun than watching your hair being combed!