I thought so too at first but she actually managed to keep up and win arguments against him in the bus, so even if that is the case she seems to have a good grasp of everything, enough not only to memorize it but also understand it's applications.
In other words, I think she deserves grade...
some do, sure, but like, this is the second one out of two...... And Sik acts like a child/teen so we really didn't need any sort of romance whatsoever for him at the moment