Teacher strikes shut down schools across Oklahoma, Kentucky

The walkouts come less than a month after teachers in West Virginia ended a nine-day strike that shuttered schools there and less than a week after thousands of Arizona teachers rallied to demand a 20% pay increase.

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Teachers became outraged last week when the state Legislature, struggling to fund the public employee retirement system, passed a bill to overhaul the pensions. That prompted more than 500 teachers to flood the Capitol on Friday to protest. The crowd ballooned into the thousands Monday.

Teachers also oppose financing proposals for privately run, publicly financed charter schools.