Genre: Meh? I don't know, definately adventury kind of thing Idk, pretty much same genre as the original derp x3.
Series name may change of course.
(Assume the Mortal Instruments time frame hadn't happened yet/Didn't happen.)
The Shadowhunter Chronicles is by Cassandra Clare.
When Aileen Wood is sent to what the Clave recently made, after a downworlder rebellion, a school for both Downworlders and Shadowhunters, she dismisses this as another school, albeit a weird and unexpected surprise one.
Where downworlders are taught to control their powers as the Clave, the Shadowhunter government, saw what was the proper use, and to train Shadowhunters in the skill of demon hunting, and if needed, to hunt down rogue downworlders.
Aileen Wood is from one of the oldest Shadowhunter families from Idris, but was never born there, and may be the last one of her family, after her parents died in the rebellion.
So after her 14th birthday, when orphaned shadowhunters are sent to these new schools, after a demon attack, she suddenly wonders what else the Clave could be hiding about both downworlders and Shadowhunters.