Mrs. Kingsley is the headmistress (basically the principal) of Abbey Mount, an all-girls boarding school in England and is also the mother of Frederick "Freddie" Kingsley, who's initially forbidden from fraternizing with any of the girls at Abbey Mount, but eventually ends up becoming the boyfriend of Poppy Moore.

It's never explained how long she's been serving as the headmistress of Abbey Mount and it's also never said if she was student at Abbey Mount before eventually becoming the headmistress. If Mrs. Kingsley is actually a former student at Abbey Mount, it's possible that she may have known Poppy's mother, who was a student at Abbey Mount back in the 1970s.

She's portrayed by Natasha Richardson in Wild Child, who passed away (due to a traumatic brain injury) just seven months after the movie was released.

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