Francis Foster, a former supply teacher in Croydon, London, shares his harrowing experiences in a primary school plagued by violence and disruptive behavior. He recounts incidents involving a particularly aggressive student, Jamie, whose actions culminated in a serious assault on a teacher. Foster's observations are supported by alarming statistics from the Centre for Social Justice, indicating a record number of expulsions for physical assaults in schools, particularly among younger pupils. He attributes the escalating violence to ineffective 'inclusion' policies that integrate students with Special Educational Needs and Disabilities (SEND) into mainstream classrooms without adequate support. Foster argues that such policies compromise the learning environment for all students. He also highlights the influence of gangs on vulnerable children, particularly those lacking positive male role models at home. Foster calls for a reevaluation of disciplinary measures in schools, advocating for the authority of head teachers to expel violent students to alternative educational settings. His experiences and insights culminate in his book, (Un)Educated: My Life as a Teacher, and Why You Should Never Become One, which critiques the current education system and its failures.