My high school physics teacher spent a week teaching students how to use a slide rule.

FORBES: Tools become out-of-date

Indeed, its proposals would probably mean more testing, but in a form that covers the full range of the curriculum, that does not bring high-stakes judgements for schools and teacher, and that neither narrows the curriculum nor constrains teaching.

BBC: All change for primary schools?

For one thing, it makes teaching in these schools really, really difficult and teacher turnover really, really high.

FORBES: Blame a Teacher Day