"My students can’t concentrate and they aren’t doing the work that I assign to them. They have way less motivation compared to before the pandemic began. "

Yes, that's because there's a pandemic going on that has killed 32,000 Canadians and significantly impacted a much larger number. It's pretty upsetting. The notion that people are only upset because of government restrictions is pretty silly.

"she is much more likely to kill someone driving a car? "

Yeah, we should tell high school students a lot more forcefully that cars kill people. Making cars the backbone of Canadian society is terrible.

"Our children need life on the highest volume. And they need it now."

Wear a mask in school to try to minimize the transmission of the disease, take it off outside, get tested if you have symptoms and then isolate if you're infected. Get vaccinated. This is not difficult. I'm not sure why we need a hand-wringing essay.