Letter: Schools should add COVID-19 testing to the editor FacebookTwitterEmail FILE. Letter writer says, 'We’re at a critical juncture for reopening schools. But we can’t lose sight of the safety measures we need to protect the health of school communities.' (AP Photo/John Minchillo)John Minchillo, STF / AP The best way for educators to teach and for students to learn is to be in person in the classroom. To return to more in-person instruction, schools must stick with layered COVID-19 mitigation strategies as outlined by top public health experts, including those at the U.S. Centers for Disease Control and Protection. But far too many are missing a critical layer: Routine COVID-19 testing.