Vengeful by Maggie Alabaster

The tangled wreck of my sister’s car should have been a wake up call for us both. It should have been the end of the war between us.
It wasn’t enough. Not to stop us and not to impress my father. The only thing my guys and I can do is hang on tight and prepare for the trials.
If we can survive those, I might just make it through my university years. But forces are working against us. The stakes have never been higher.
Brutal Academy has never seen trials like these.
It’s going to be carnage