Campus PCR Test Results

Groton School has partnered with the Broad Institute of MIT and Harvard to provide COVID-19 testing. All members of the community are tested weekly. The below percentages reflect students' on-campus PCR testing.
Date of PCR Test Student Positivity
Rate
Week of May 15 PCR testing 0.27 %
Week of May 8 PCR testing 0.28 %
Week of May 1 PCR testing 0.84 %
Week of April 24 PCR testing 0.56 %
Week of April 17 PCR testing 5.2 %
Week of April 10 PCR testing 9.5 %
Week of April 3 PCR testing 8.5 %
Week of March 27 PCR testing 0.55 %
Week of Feb. 27 PCR testing 0.0 %
Week of Feb. 20 PCR testing 0.8 %
Week of Feb. 13 PCR testing 0.54 %
Week of Feb. 6 PCR testing 0.0 %
Week of Jan. 30 PCR testing 0.0 %
Week of Jan. 23 PCR testing ​0​.2​7​ %
Week of Jan. 16 PCR testing 1.2 %
Jan. 13 (ongoing PCR testing) 2.0 %
Jan. 9 (confirmation PCR testing) 3.8 %
Jan. 6 (arrival PCR testing)  4.1 %

The percentage indicates the number of new positive cases identified among students on campus divided by the number of students on campus during the testing period. Beginning in April, the percentages reflect all-campus PCR tests as well as some rapid antigen results.