Ayesha Madon, Thomas Weatherall, Bryn Chapman Parish, Asher Yasbincek, James Majoos, ChloƩ Hayden, Will McDonald, Gemma Chua-Tran, Sherry-Lee Watson, Josh Heuston, Brodie Townsend, Chika Ikogwe, Scott Major and Rachel House joined the series in its second season. The first season received universal praise from critics, while the second season divided critics and audiences. It has received numerous accolades, including an International Emmy Award and six AACTA Awards.
A map detailing the sexual exploits of Hartley High's students is discovered graffitied on the wall of the school. The map's creator, Amerie Wadia (Ayesha Madon), becomes a social outcast after taking the fall for its co-author, Harper McLean.