In France, students in their last year of high school are faced with two major challenges: applying to college and passing the baccalaureate exam, a cumulative test that requires many months of preparation. Tracking five such pupils from September through June as they plan their futures and get ready for finals, director reveals the ups and downs of 17-year-old Gallic life by introducing a slew of song-and-dance numbers that the kids stage throughout the film.