**Indiana has become the first state to retreat from the Common Core standards, as Governor Mike Pence has just signed a bill suspending their implementation.**

A great deal has been written and spoken about Common Core, but it is worth rehearsing the outlines again. Common Core is a set of math and English standards developed largely with Gates Foundation money and pushed by the Obama administration and the National Governors Association. The standards define what every schoolchild should learn each year, from first grade through twelfth, and the package includes teacher evaluations tied to federally funded tests designed to ensure that schools teach to Common Core.

Over 40 states hurriedly adopted Common Core, some before the standards were even written, in response to the Obama administration’s making more than $4 billion in federal grants conditional on their doing so. Only Texas, Alaska, Virginia, and Nebraska declined. (Minnesota adopted the English but not the math standards.)

Here is my prediction: Indiana is the start of something big.

Just a year ago Common Core was untouchable in Indiana, as in most other places. Common Core had been promoted by conservative governor Mitch Daniels, and the state superintendent of public schools, Tony Bennett, was a rising GOP education star.

How did the bipartisan Common Core “consensus” collapse?

It collapsed because some parents saw that Common Core was actually lowering standards in their children’s schools. And because advocates for Common Core could not answer the questions these parents raised.

In Indiana, the story starts with two Indianapolis moms, Heather Crossin and her friend Erin Tuttle.

In September 2011, Heather suddenly noticed a sharp decline in the math homework her eight-year-old daughter was bringing home from Catholic school.

“Instead of many arithmetic problems, the homework would contain only three or four questions, and two of those would be ‘explain your answer,’” Heather told me. “Like, ‘One bridge is 412 feet long and the other bridge is 206 feet long. Which bridge is longer? How do you know?’”

She found she could not help her daughter answer the latter question: The “right” answer involved heavy quotation from Common Core language. A program designed to encourage thought had ended up encouraging rote memorization not of math but of scripts about math.

Heather was noticing on the ground some of the same things that caused Stanford mathematics professor R. James Milgram to withhold his approval from the Common Core math standards.

Professor Milgram was the only math content expert on the Validation Committee reviewing the standards, and he concluded that the Common Core standards are, as he told the Texas state legislature, “in large measure a political document that . . . is written at a very low level and does not adequately reflect our current understanding of why the math programs in the high-achieving countries give dramatically better results.”

The Common Core math standards deemphasize performing procedures (solving many similar problems) in favor of attempting to push a deeper cognitive understanding — e.g., asking questions like “How do you know?”

In fact, according to a scholarly 2011 content analysis published in *Education Researcher* by Andrew Porter and colleagues, the Common Core math standards bear little resemblance to the national curriculum standards in countries with high-achieving math students: “Top-achieving countries for which we had content standards,” these scholars note, “put a greater emphasis on [the category] ‘perform procedures’ than do the U.S. Common Core standards.”

So why was this new, unvalidated math approach suddenly appearing in Heather’s little corner of the world, and at a Catholic school?

Heather was not alone in questioning the new approach. So many parents at the school complained that the principal convened a meeting. He brought in the saleswoman from **the Pearson textbook company to sell the parents**. “She told us we were all so very, very lucky, because our children were using one of the very first Common Core–aligned textbooks in the country,” says Heather.

But the parents weren’t buying what the Pearson lady was selling.

“Eventually,” Heather recalled, “**our principal just threw his hands up in the air and said, ‘I know parents don’t like this type of math but we have to teach it that way, because the new state assessment tests are going to use these standards.’”**

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