Today's classrooms are full of entertainment devices, distracting students from learning, causing them to retain less information. ClassMind is a web platform that allows teachers to transform their students' entertainment devices (smart phones) into classroom engagement tools. With ClassMind, educators are dramatically improving student participation, retention of course material, and overall scores. Also, since everything is auto-graded, including open-ended questions/essays, a teacher's workload is significantly reduced. Teachers can teach better than ever before.