The film "St Trinian's" does not feature any identifiable LGBTQ+ characters or themes. The portrayal of a female character by a male actor is a comedic device, not an exploration of gender identity or LGBTQ+ issues within the narrative.

The film 'St Trinian's' (2007) does not include any identifiable transsexual characters or themes. The portrayal of Miss Fritton by a male actor is a comedic cross-gender performance, but the character herself is consistently depicted as a cisgender woman within the narrative.

The movie does not contain any action or adventure elements.

The film adapts the St Trinian's cartoons and previous films, maintaining the core characters' genders. While the headmistress, Miss Fritton, is portrayed by a male actor in drag, the character's on-screen gender remains female, consistent with her canonical depiction. No established characters are portrayed as a different gender.

The 2007 film adaptation of St Trinian's does not feature any characters who were canonically or widely established as one race in the original cartoons or prior adaptations and then portrayed as a different race.