Unlike other Schools, St Trinians is conceived mainly of Stereotypes. The Stereotypes Involve the Chavs (Also
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Chavs (or as they prefer, "Rude Girls"), are one of the main Stereotypes in the School.

known as Rude Girls in later films, Ecos, Geeks, Emos, First Years and Flamables, yet all these Groups appear to obey the Headgirl, a girl who fits into none of these Catagories.