Series
There are 6 books in the Vampire Academy series.
Rose Hathaway is a Dhampir training to protect her best friend Lissa, a Moroi Vampire Princess, at the hidden St. Vladimir's Academy. After being on the run, they return to a world of magic, danger, and forbidden romance. Rose must master her guardian skills while navigating the treacherous politics
All 6 books total 2,735 pages.
The Books Oracle — track the series you are partway through, and see what to read next.