My Vampire Boarding School

This story is basicly about a girl named Anna Bell,who had recently moved into boarding school because she felt she had to be away from her "real" friends while also away from her family.Once she got settled into boarding school, she noticed that she was having many thoughts she didn't want to have.She looked up why she felt this way and found out it was apart of her transformation.Her vampire transformation.She didn't notice why she was transforming into a vampire.

Was it from her past or was it from the present?