Vampire High

Vampire High is a 2001 - 2002 Canadian horror-fantasy series that aired on the YTV network, about a group of teenage vampires who are admitted to a private boarding school as part of a secret "Experiment" designed to teach them how to coexist with mortals. Although the five young vampires are supposed to "live among the living, but invisibly," the lives of the day school students and the night school students soon become increasingly intertwined, especially when mortal Sherry and vampire Drew meet and fall in love.

The series starred Jeff Root, Meghan Ory, Ilona Elkin, Karen Cliche, Joris Jarsky, Paul Hopkins, and David McIlwraith.

There's a New Vampire in Town (Season 1, Episode 2)
Newly arrived vampire, Marty, compromises the security of The Experiment when he brings a local Goth-girl (Maggie Castle) back to Mansbridge for a night of fun.