[patjoh]

The report mentions this and for Sweden there was a study that found that school staff had no increased risk of exposure.

In that report (see reference 6) for example taxi drivers had 4 times the increased risk of exposure compared to teachers of primary school.

[notacoward]

And yet, in other cases (e.g. Israel) infections have spiked after school reopenings. The evidence is highly mixed, so it's very important not to cherry-pick cases that only support one's hoped-for policy outcome.