An Education (2009)

Jenny, a bright young schoolgirl in 1960s suburban London, is on her path to Oxford until she meets David, a playboy twice her age. As she becomes infatuated with him, Jenny's life takes a different turn. They go on outings with David's friends, he introduces her to a world of luxury, and even takes her to Paris. However, Jenny discovers that David has been lying to her and is already married. Heartbroken and realizing the importance of education, Jenny returns to her old school and works hard to be accepted into Oxford.