The Monarchs by Kass Morgan and Danielle Paige

The sorority girls at Kappa Rho Nu—the Ravens—are determined to restore balance to the world. After destroying an ancient talisman and barely saving their sorority in the process, they’ll go to any lengths to keep their secret as Westerly’s most powerful coven of witches. Scarlett Winter, a legacy Raven, has finally gotten what she’s always wanted: the Kappa Rho Nu presidency. After the disaster that killed the sorority’s last president, Scarlett is determined that no sister will fall under the sway of wicked magic ever again. But the powers of the presidency have their own…. Read more.