There are 3 books in the Hex Hall series. The newest book is Spell Bound which came out in 2012.

1
Hex Hall

Book cover of Hex Hall
In the wake of a love spell gone horribly wrong, Sophie Mercer, a sixteen-year-old witch, is shipped off to Hecate Hall, a boarding school for witches, shapeshifters and faeries. The traumas of mortal high school are nothing compared to the goings on at "Freak High." It's bad enough that she…
When you buy books, we may earn a commission that helps keep our lights on (or join the rebellion as a member).

2
Demonglass

Book cover of Demonglass
Sophie Mercer's first term at Hex Hall turned out to be quite eventful. First the ghost of her evil grandmother haunted her every move, then her best friend was accused of murder and of course there was the discovery that Archer Cross, aka the boy of her dreams, was actually…

3
Spell Bound

Book cover of Spell Bound
Just as Sophie Mercer has come to accept her extraordinary magical powers as a demon, the Prodigium Council strips them away. Now Sophie is defenceless, alone and at the mercy of her sworn enemies - the Brannicks, a family of warrior women who hunt down the Prodigium. Or at least…