NEW LENOX — The nation’s first high school sports governing body to face a class-action concussions lawsuit warned Friday the legal action could result in wealthier schools keeping their football programs and poorer ones eliminating them. Court-imposed policies, such as mandating physicians be present at all games and practices, could be prohibitively costly to many cash-strapped schools, especially Chicago’s public high schools, Illinois High School Association Executive Director Marty Hickman said …