After a showing of Shannon Puckett’s powerful documentary “Defies Measurement,” the opt out movement in Pennsylvania got a large boost. Shannon, an experienced teacher, made the film with the help of Kickstarter, and has made it available for free online.

After they saw the film, parents asked for yard signs declaring their opposition to the state tests, and organizers ran out of them.

The more people see this documentary and others showing the punitive nature of these tests (why should little children take standardized tests that last for several hours? Why can’t their reading and math skills be divined in a 45- minute test?), the more they want to withhold consent.

The more parents understand that these tests provide no useful information about their child (how does it help to know what percentile rank your child is in compared to children of the same age in other districts and…