Do I keep my classroom door open to improve air circulation or close it to protect my students from an active shooter? This is just one of the impossible questions teachers are facing this year.— Tiffany Mumm (@tiffanyjmumm) August 8, 2020
Do I keep my classroom door open to improve air circulation or close it to protect my students from an active shooter? This is just one of the impossible questions teachers are facing this year.