I can say that a school I'm loosely connected to has only had 2 cases so far. Both of them were "brought in" and there was no spread to other students or staff.

I can say that a school I'm loosely connected to has only had 2 cases so far. Both of them were "brought in" and there was no spread to other students or staff. That's obviously anecdotal and probably meaningless to everyone outside of that particular school, so I don't suggest that it's the norm. Just that there is at least one school where this does seem to apply.