A return to school means a return to Common Core standards in math and English language arts, but a recent report shows that the standards may not be in the best interest of the state’s educational system. Sen. William Ligon, R-Brunswick, released independent study results Aug. 5 that showed the previous Georgia Performance Standards were more rigorous and detailed than Common Core. “This is a study that’s not just pulled out of the air,” said Gainesville Superintendent Merrianne Dyer. “(These are) reputable people that have done the study.