The following is a list of characters who appeared in the teen drama series Degrassi Junior High and Degrassi High (including the immediate follow-up made-for-television movie, Degrassi: School's Out), which are part of the Degrassi universe. Hundreds of actors appeared the series throughout their run. There were distinct main youth characters among recurring youth characters, yet the latter were occasionally the central protagonists of episode plots. No plots centered on adult characters, though they were often important plot devices. Degrassi Junior High ran for three seasons, and was followed by Degrassi High, which ran for a further two seasons, and a made-for-television movie Degrassi: School's Out. Seasons 1 through 3 refer to Degrassi Junior High, and seasons 4 and 5 refer to Degrassi High and School's Out.
That same night, Erica danced with a high schooler who sneaked into the Dance named Aaron, they walked out of the dance and Erica complained about Heather. Aaron later used cheesy pick up lines, which Erica fell for. They ended up kissing passionately, which Heather ended up seeing. When Erica told Heather about it, she revealed that they were French kissing, an idea that repulsed Heather.
The next day Erica said she had a sore throat and had a fever. Her health project partner, Alexa pointed out that those were the symptoms of Mono. Erica was later in bed sick, when Aaron arrived to take Erica for a drive, Heather heard the things Erica said about her and she went with him. While on the drive, Aaron kissed Heather. Heather told Erica and they went to the doctor, neither girl had mono. Erica had tonsillitis and Heather had sympathy pains.
When Erica read her horoscope, it said that she would fall in love and she did, with an 11th grader named Clutch. She had Heather ask Clutch what his birth sign was, Clutch later mistook the question and asked Heather out to a charity bowling day, she gave the date to Erica. Erica had a dentist appointment in the middle of it, so the twins worked out that they would switch places, when Heather got there she saw that Clutch was more interested in Lucy.
Over the summer Erica was involved with a boy named Jason, after a short time of dating she lost her virginity to him. He ended up breaking her heart. When school began she was sick every morning. She confided in Heather that she thought she was pregnant, they bought a home test and it turned up negative. Even though the test was negative she still hadn't gotten her period, she bought another one and it was positive. She didn't tell anyone including Heather. In class they were talking about abortion and Heather said it was murder as did other people. She left school for the rest of the day and went to an abortion clinic. She booked an abortion and told Heather and asked if she would go with her. On the day of the abortion she was approached by Pro-Life protesters and told not to go in. At that very moment Heather came and helped through the crowd of protesters.