Just a Coincidence? (#Wattys2016)

First of all, I can't take credit for this amazing cover, it was made by silverfinger-

Life for Hazel would be perfect if she had her best friend Ellie with her at her high school. Ever since Hazel moved schools, life has been rough for her. Yeah she's smart, but without her bestie by her side, she doesn't have any friends, and worse of all, she doesn't know anyone at her new school!
One day Marcus shows up, a guy Hazel thought she'd never see again. Marcus is a popular jock who has been in every single class with Hazel since 5th grade. Everyone obsesses over the fact that Hazel and Marcus were meant to be since they ended up with the same seven classes in middle school. Hazel calls it a coincidence, but Ellie and others call it destiny.