13 positives identified through pool testing; 137 cases reported publicly since March 1 May 6, 2021 | 10:22 am May 7, 2021 share this This story was updated at 5:50 p.m. May 7, 2021, to correct a reference to Chevy Chase Elementary School. The number of COVID-19 cases reported among Montgomery County Public Schools staff members and students nearly doubled in the past three weeks. Since schools began reopening on March 1, at least 137 cases have been reported, and 64 were reported since April 14. While health officials have said any increase in cases is “concerning,” more cases were expe...