Whoops. Hawaii’s one of 44 states and D.C. that are investing a ton of money and time into Common Core State Standards and the tests that are supposed to go with them.

But it turns out there’s a growing body of evidence they won’t improve student achievement. And that similar attempts in the past have failed. The latest addition to that evidence is a report from Tom Loveless of the Brookings Institution.

“The notion that high-quality standards correlate with higher student achievement was disproved long before Loveless wrote his paper,” writes the Washington Post’s Jay Mathews today. Read his full analysis.