The Brief New rules go into effect for high school football games in D.C. starting Friday night. Tighter security measures are coming to high school football games across Washington, D.C., starting on Friday night, including parental supervision for all students. What we know:Both the District of Columbia Interscholastic Athletic Association, which covers D.C. public schools and the District of Columbia State Athletic Association, which handles competition across the District, announced new policies on Friday. According to D.C. Public Schools, the rule changes come after "multiple instances of spectator conflict." The new rules for public school games will continue at least through Friday, Oct. 10, while the rule about parental supervision will continue for the rest of the football season.