More than 300 schools closed around the country, sending more than 170,000 students home in 11 states, including all schools in the Fort Worth district.
In Delaware, a rap concert was canceled. At Slippery Rock University of Pennsylvania, 22 students who had been student teaching in Mexico were told not to take part in graduation ceremonies. (Their separate ceremony will be shown on videotape, school officials said, during the official event.) And in Chicago, some Roman Catholic priests stopped giving communion wine and were asking parishioners to avoid shaking hands.