When I got into computing (in the '80's), the teachers at my school knew as little about it as we did -- we learned together.
Within a couple of years a friend and I implemented a Forth setup as a replacement OS on a machine that was shipped with C/PM (writing the floppy controller in machine code etc.). None of the teachers had a clue what we were doing, but they were quite interested, and very encouraging.
I would suggest that we should not bother with teachers, beyond asking them to occasionally ask the kids what they're doing, and then say how clever that sounds.
This is the Minimally invasive education approach pioneered by Sugata Mitra.
As Aurtur C. Clark said to him: "Any teacher that can be replaced by a computer
There's no point poisoning the minds of the next generation with the befuddled understanding of teachers with little aptitude for the subject.