Cobb schools coronavirus data for Friday shows 461 new cases Read full article February 27, 2021, 2:29 AM·2 min read Feb. 27—Cobb County Schools reported 461 new confirmed coronavirus cases in the district in the past two weeks. On Friday, the school system's website listed 3,960 cases since July 1. Last week, there wasn't a report for either Cobb or Marietta schools due to the midwinter break. This week's cases were at 46 elementary schools, 22 middle schools and 16 high schools, for a total of 84 schools. The school with the highest number of reported active cases in Cobb is Kell High School, with 11. All other schools in the district were reporting fewer than 10 cases.