I think the most frustrated I ever felt was dealing with the Cashier's office, which doesn't communicate so well with the Financial Aid office, or the office of the Registrar. I felt like I was just a go-between, and such ridiculous amounts of legwork between offices on the same floor of the same building was a little unreasonable. This isn't to say that the staff themself weren't very friendly - certain among them were really great and helpful.
Right now, the most frustrating thing about Rice is the irregular availability of course schedules. I couldn't plan my next semester well because I didn't know in advance which classes would overlap or even be unavailable until only a few weeks before the end of the current semester.
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