The Chalk Garden (1964)

A grandmother (Dame Edith Evans) seeks a governess for her 16-year-old granddaughter Laurel (Hayley Mills), who manages to drive away everyone so far by exposing her past, with a record of three in one week. When an applicant with a mysterious past manages to get the job, Laurel vows to expose her. Meanwhile, Laurel's mother Olivia (Elizabeth Sellars) tries to get her back.