They are 13 years old. They enter the 8th grade, and will go through a year filled with « first times »: boys, hormones, the changing body. Who are these young girls from high school? What do they do, what do they talk about, what do they dream about? Girl culture is the chronicle of these teenagers and their daily lives over a school year. How young girls construct themselves in 2019 ? What are their questions, specific to their generation? Which ones, universal, persist through the ages?