Secondary school teachers accused of not pointing their brighter students towards Oxbridge might feel vindicated by ITV2’s Trinity - although the messages were a little mixed. On the one hand the fictional elitist university college in this new teen dramedy-thriller is dominated by sadistic, floppy-fringed toffs and their debauched secret societies. On the other hand some state-educated freshers might quite like the idea of being asked by lithe, blue-blooded blondes, “Have you ever come on a member of the royal family?”