Innocence (V) (2014) online

After the untimely death of her mother in a Montauck surfing accident, Beckett, 16, and her father, novelist Miles Warner, move to the city to begin a new life. Enrolled at the exclusive Hamilton preparatory school in Riverdale, Becekett finds first love and discovers that the school is run by a coven of beautiful and seductive women who perpetuate their fountain of youth by drinking the blood of virgins.