A decade into the school accountability movement, pockets of resistance to standardized testing are sprouting up around the country, with parents and students opting out of the high-stakes tests used to evaluate schools and teachers, reports The Washington Post. From Seattle, where 600 high school students refused to take a standardized test in January, to Texas, where 86 percent of school districts say the tests are “strangling our public schools,” anti-testing groups argue that bubble exams have proliferated beyond reason, delivering more angst than benefits…