GoldenGirl by Micol Ostow

Paige, Spencer, and Madison have it all: the looks, the connections, the money, the boys. As the daughters of three of the most prestigious families on Philadelphia's Main Line (read: old money, and lots of it) and the ruling juniors at Bradford Prep, nothing can stand in their way....except, perhaps, their own dark secrets. When an old frenemy from Paige's hidden past shows up at Bradford and plays nice—too nice—Paige is desperate to smother the threat. How far will she go to silence the truth?

As if you didn't know . . . bradfordprep.com