Why the movement to opt out of Common Core tests is a big deal

The Washington Post: The movement among parents to refuse to allow their children to take Common Core-aligned standardized tests has been growing in a number of states, as recent Answer Sheet posts have chronicled (here and here, for example). As opt-out numbers have grown, so too has reaction from officials who argue that frequent testing is valuable and that school districts could loss federal funds if too many students refuse to take the test (a threat that appears to be based on shaky ground.)

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