Netflix show Sex Education attempts to spark important conversations around sexuality. But in Season 3, the series also seeks to highlight issues around gender identity and the challenges non-binary people face.Although new school principal Headmistress Hope (played by Jemima Kirke) is at first perceived as "cool" and promises to change Moordale High for the better, it soon becomes clear that she has a slightly different agenda.Part of the school's reformation to distance it from the label of "Sex School" is to introduce a new school uniform.