Mrs Baines' office - made up of various smaller rooms. Some students have spent a considerably greater time here than others, finding it the perfect refuge from uneventful lessons.
There seems to be no in between, you either never been to the nurse's office (or only gone once or twice), or found yourself taking a quick vacation there several times a day.
Despite being the nurse's office, it is often empty and locked most days and many voyages there end in failure as a result.