In a place where young witches, vampires, and werewolves are nurtured to be their best selves in spite of their worst impulses, Klaus Mikaelson’s daughter, 17-year-old Hope Mikaelson, Alaric Saltzman’s twins, Lizzie and Josie Saltzman, among others, come of age into heroes and villains at The Salvatore School for the Young and Gifted.
No. Legacies is not available on Netflix
Yes. Legacies is available on HBO NOW!
(This is an educated guess based on the producer - The CW)