State resistance to the nationwide K-12 school standards known as Common Core has spread to Indiana.

Less than a week after Michigan lawmakers took aim at Common Core, the Indiana legislature over the weekend passed a bill to “halt” its implementation and called for a revised cost analysis and a series of town hall meetings before the standards can be implemented further. They were scheduled to be in place by next year.

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The measure is now on Republican Gov. Mike Pence’s desk.

“This movement against Common Core started with citizen involvement. Our success with this legislation would not have been possible without the concerned Hoosiers around the state taking action,” said Republican state Sen. Scott Schneider. “Education decisions should be made by Hoosiers and not ceded to unelected bureaucrats many miles away.”

While other anti-Common Core actions also have been bitter, the Indiana vote is especially tough to swallow for supporters of the system. Former state governor and education reform champion Mitch Daniels has been a vocal champion of the standards.

It was during his time in office that the National Governor’s Association and the Council of Chief State School Officers crafted Common Core, which does not establish a national curriculum but instead lays out math and English concepts that each student is expected to know at the end of each grade level.

Forty-five states and the District of Columbia have voluntarily adopted them, but a growing number are getting cold feet.

Last week, the Michigan state House passed legislation prohibiting any funding for Common Core, which would effectively kill the standards if the bill moves through the state Senate and is OK’d by Gov. Rick Snyder, a Republican.

A similar anti-Common Core movement has sprung up in Alabama, though it appears to have been quelled for now.

Grass-roots resistance in those states and others is what drove the Republican National Committee earlier this month to adopt a resolution condemning the standards and calling for states to withdraw from the system. The RNC took that step even though many prominent GOP figures, such as Mr. Daniels, former Florida Gov. Jeb Bush, Louisiana Gov. Bobby Jindal and many others, still strongly support Common Core.

Proponents argue that critics of the system misunderstand it; the chief misnomer has been that the Obama administration wrote the standards and thrust them upon the states.

While the White House supports Common Core and has encouraged states to adopt it, the administration did not craft the system.