Mastery Charter School s Lenfest Campus is a college preparatory, charter middle-high school that has an annual enrollment of more than 650 students in grades 9 through 11. It is a part of the Mastery Charter School Board and authorized by the Philadelphia School Board. Mastery Charter School offers academic classes in a variety of subject, such as language arts, math, science, social studies, computer applications, technology and business studies, English, foreign languages, and family and consumer science. The school also provides coaching and training in a variety of athletic activities, such as basketball, volleyball, baseball, cheerleading, and track and field. Founded in 2001, Mastery Charter School is located in Philadelphia.