Sydney Marin series

Sydney Marin is a witch living in Odren country in a realm where all the paranormal creatures existed. All these years in her life she lived as a loner with her aunt Lydia who always protects her, never exposed her to others.
One day Sydney met a Jacen, a vampire who entered her life and everything changed. Soon She received a letter to join the sapphire academy and study with other witches, vampires, werewolf, etc..
She can't able to reject it. She ignored her aunt Lydia's warning, joined the academy. Then she came to know more about her life, flashbacks and she realized her life was a lie.
She's not just a witch, she's something powerful and more than That...