San Diego Unified begins coronavirus testing in some elementary schools The coronavirus that causes COVID-19 is seen isolated from a patient. (National Institute of Allergy and Infectious Diseases) Print The San Diego Unified School District has started voluntary coronavirus testing for students and staff at several elementary schools under a partnership with UC San Diego Health, according to an announcement Dec. 15. Eventually, the testing program could be expanded to include all 100,000 students in the district and its more than 10,000 staff members. Free tests for the coronavirus that causes COVID-19 will be available to students and staff members at 10 campuses this week — Rolando Park, Penn, Foster, Gage, Mason, Vista Grande, Dingeman, Jerabek, Hearst and Benchley Weinberger elementary schools — with additional testing to be offered Jan. 4-15.