Man , I'm glad I don't teach today !
In response to the email problem. My kids school sends out a permission slip for the parents to fill out. This would solve your problem, and the slip could explain it would be used for teaching and instructional purposes only ! This way, they can choose.
In response to the email problem. My kids school sends out a permission slip for the parents to fill out. This would solve your problem, and the slip could explain it would be used for teaching and instructional purposes only ! This way, they can choose.