The Howling: Reborn

The Howling Reborn also known as Howling VIII is a 2011 werewolfthemed horror film directed by Joe Nimziki and released direct to video onOctober 2011.

Later, Eliana invites him to a party where a creature attacks. Will escapes. He later asks Sachin about werewolf lore. Will cuts himself and the wound heals instantaneously, proving that he is a werewolf.It is revealed that Kathryn is still alive but has become a werewolf. Kathryn kills Wills father, then goes to Wills school to explain Wills werewolf heritage to him. Confronted with this truth, Will saves Eliana from other members of Kathryns wolf pack. The invasion sets off the security system and the school enters automated lockdown mode, cutting off the school from the outside world. ........

Source: Wikipedia