sentences:  Sub-standard facilities abound; including a cinder block having replaced the school's tetherball, cafeteria food made from circus animals and in several decades-old cans, shredded newspaper, and old gym mats, among others (only the teachers eat French fries made from potatoes), and "malk" having replaced milk.In one episode, prison inmates occupied the cloakrooms in the classrooms, in an effort to make extra money.In another episode, Lisa Simpson, who has been voted student president, is tricked into authorizing the cancellation of music, gym and art.