Alex Nunez-She roomed with Paige, Marco, and Ellie but Paige kicked her out after almost ruining her fashion internship, so she moves in with her aunt
Seasons 3-4

Ashley Kerwin-She sees Craig performing at a Purple Dragon コンサート and she leaves to tour with him in Europe
Seasons 1-7

Blue Chessex-He breaks up with ヒイラギ, ホリー J and is open to other girls
Seasons 8-9

Bruce the Moose-He leaves Degrassi
Seasons 7-9

Craig Manning-He kisses Ellie at an airport at leaves to tour in Europe
Seasons 2-8

Damian Hayes-He graduates Degrassi and attends college
Seasons 6-7

Daniel "Danny" バン Zandt-He graduates Degrassi
Seasons 4-9

Darcy Edwards-She leaves for the semester and she often sends Peter and Jane gifts
Seasons 4-8

Derek Haig-He graduates Degrassi
Seasons 5-8

Eleanor "Ellie" Nash-Marco convinces her to visit his father
Seasons 2-8

Emma Nelson-She graduates and marries Spinner
Seasons 1-9

Hazel Aden-She graduates Degrassi and attends a college in Toronto
Seasons 1-5

James Tiberius "J.T." Yorke-A Lakehurst kid named ドレイク, ドレーク stabs him and his aorta is punctured and he dies that night
Seasons 1-6

Jason "Jay" Hogart-He graduates
Seasons 2-9

Anatasia "Jane Vaughn" Valieri-She graduates
Seasons 7-9

James "Jimmy" Brooks-He proposes to Trina and graduates
Seasons 1-8

John George "Johnny DiMarco"-He graduates
Seasons 6-9

Kelly Ashoona-He leaves college and breaks up with Emma
Seasons 8-9

Manuela "Manny" Santos-She graduates
Seasons 1-9

Rick Murray-He shoots himself
Seasons 3-4

Sean Cameron-He leaves for the war and breaks up with Emma
Seasons 1-7

Gavin "Spinner" Mason-He graduates and marries Emma
Seasons 1-9

Theresa "Terri" McGreggor-Rick puts her in a coma and she hits a cynder block which makes her go in a coma. Then, she moves to a private school
Seasons 1-3

Well that's everyone who left and some characters we miss, some we don't, but they all left