Florida’s school grades, which are based partially on test scores, are improving after three years of students taking exams based on the state’s version of the Common Core standards.The percentage of schools statewide earning the top two grades on the Jeb Bush-era A-to-F rating system jumped from 46 percent in 2015-16 to 57 percent in 2016-17. And the number of schools earning failing grades decreased by 61 percent, from 111 schools to 43, the state’s Department of Education announced Wednesday.
