The Bell Ringer

The Bell Ringer

U.S. teacher knowledge is all over the place

A new OECD report reveals an unbelievable gap in what U.S. teachers know

Holly Korbey's avatar
Holly Korbey
Apr 28, 2026
∙ Paid

Welcome to Public Notice, where science of learning insiders get their news. In today’s newsletter: American teachers’ knowledge of content and pedagogy is all over the place. And I’m looking for detailed teacher reports on successful early math teaching.

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News

* The U.S. has teachers who know a lot, and some who know very little—the widest range of teacher knowledge in an eight-country survey, it’s not even close

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