From “Prevent Duty Guidance: A Consultation,” a paper issued last December by the U.K. Home Office. The U.K.’s counterterrorism strategy, CONTEST, comprises four branches: Prevent, Pursue, Protect, and Prepare. Channel is a Home Office program intended to steer people away from terrorism.

All publicly funded schools are required by law to teach a broad and balanced curriculum that promotes the spiritual, moral, social, and cultural development of pupils and prepares them for the opportunities, responsibilities, and experiences of life. Schools should be safe spaces in which children and young people can understand and discuss sensitive topics — including terrorism and…