Summer Heights High is an Australian mockumentary television series created by Chris Lilley. It aired on ABC1 in 2007 and follows the lives of students and staff at a fictional high school in Sydney. The show features a unique blend of comedy and drama, showcasing various characters and their experiences throughout the school year. The series is notable for its satirical portrayal of school life and social issues, with Lilley playing multiple roles, including Ja'mie King, Mr. G, and Nathan, a troubled student. Each character's storyline intertwines, providing a humorous yet insightful look at adolescence and education.