Trick Play by Brittney Mulliner

Rule #2: Don’t make the same mistake twice.
We all do things we regret when we’re young and stupid. At least, that’s what Ethan tells himself to be able to look Kennedy in the eyes. He broke her heart, but that was years ago. She couldn’t possibly still be harboring hatred, right?
Kennedy has a few months left of school before she can leave this place behind and never, ever look back. One of the few things standing between her and graduation is a project for an elective she forgot to take. There’s just a minor problem: she’s been assigned to partner with the only person on campus she can’t stand the sight of.
On the bright side, his future lies in her hands. He’s one failed grade away from getting kicked off the team. This is the perfect chance to get revenge, but in order for them to survive their senior year, they’re going to have to find a way to work together.