The thirteenth season of Degrassi, a Canadian serial teen drama television series, premiered July 11, 2013, concluded on July 29, 2014 in Canada and the United States, and consists of 40 episodes. Although only four school years have passed in the story timeline since season six, season thirteen is set during the summer and the following school year in the years it aired. Writers have been able to use a semi-floating timeline, so that the issues depicted are modern for their viewers. This season depicts the lives of a group of high school freshmen, sophomores, seniors and graduates as they deal with some of the challenges and issues that teenagers face such as cancer, texting while driving, death, sexism, sleep disorders, cyber bullying, domestic violence, rape, racial profiling and relati