Private #4: Confessions by Kate Brian
In the fourth book in the red-hot Private series, Josh, Reed's friend and more recently, more-than-friend, has been arrested for killing Thomas Pearson, Reed's ex-boyfriend. Reed finds comfort in her friends, the girls of Billings Hall. But these girls have more secrets than the CIA and they aren't letting go of their hold on Reed. Because once you're a Billings Girl, you remain a Billings Girl. Forever.