She is really not all that smart, nursing is something you would learn at a vocational school in other countries and I can't imagine the statistics they had to

She is really not all that smart, nursing is something you would learn at a vocational school in other countries and I can't imagine the statistics they had to learn in the first year were harder than what you usually would learn in an advanced high school class. Being smart would mean that you are able to absorb new material quickly, which she obviously failed to do.