"Sasha Johnson-Sun might not know everything, like how to fully heal after her dad's passing or how many more Saturdays her mom can spend cleaning houses. But the one thing Sasha is certain of? She will graduate this year as Skyline High's class valedictorian. At least, she was sure before the principal calls Sasha and her cute, effortlessly gifted ex-best friend, Ezra Davis-Goldberg, into his office to deliver earth-shattering news: they're tied...