"Beware That Girl" by Teresa Toten

Her whole life Kate O’Brian has been the odd girl out. As the scholarship student at a succession of elite private schools, she’s had to prove she is worth her place all while keeping her past a secret. She’s book-smart and she’s street-smart and she can stand her ground no matter what life throws at her and no matter what she has to do. Now she is in her final year of high school and she’s attending yet another new school. But she has a plan. She will climb the social ladder and achieve her ultimate goal - a spot at Yale. She just needs to find the right “it” girl who she can use to her advantage. That girl is Olivia Sumner, a wealthy yet troubled teen. She is back at Waverly School to repeat her last year of high school after mysterious circumstances prevented her from finishing. She’s in desperate need of a best friend, and Kate may be the one for her. But when the handsome Mark Redkin joins Waverly as part of the administration, their world is turned upside down. Ma...