Clara Oswald once took them for an art lesson, but it did not go well. During the Twelfth Doctor's imprisonment in the Prison, the students decorated a placard with "FREE THE DOCTOR" and numerous handprints using paint.
Clara's outgoing voicemail message was, "Hi, it's Clara. I'm either banging my head against a brick wall trying to teach Class 2B Shakespeare, or, y'know, out saving the universe." (COMIC: Clara Oswald and the School of Death)