(Robby Soave) The Chicago Teachers Union urged school administrators nationwide to discontinue the use of standardized tests, deriding them as corporate tools.

The CTU recently released a report arguing that standardized tests are a faulty measure of student achievement. They also advance a pro-corporate agenda, the report said.

“Corporate interests continue to push towards a test‐centered public education system that is clearly harmful to students,” according to the report.

The union’s anti-testing push is part of a broader campaign by teachers unions nationwide. Teachers at one Seattle high school recently went on strike, refusing to administer a test that they feared would be used to hold them accountable.

Read more: Daily Caller