Sign of the slayer
(Book)

"Reluctant slayer Raven, who hates her new life, the Slayer Society and, of course, vampires, must decide if she can cast aside her feelings for the guy she used to love, join forces and save the world from an ancient evil resurrected"--,Provided by publisher.

When some of Raven's fellow marching-band members are killed by vampires, she reluctantly discovers she is a slayer. Now she's at a slayer academy, learning how to get revenge. Then she meets Khamari, who is intelligent and reasonable-- and turns out to be the actual vampire prince. He knows things about Raven that could change everything-- and he's also hiding something big, even from his own kind. Now Raven and Khamari are teamed up to take down an ancient evil. And the whole world is at stake.... -- adapted from jacket and Goodreads