Students do homework in class, lessons at night in flipped classroom

LONE TREE, Colo. — The flipped classroom is a whole different approach to learning that some argue can improve grades, and maybe even free up some extra time at home. The Flipped Learning Network estimates 3 percent of teachers now flip their class, and a recent survey by Sophia.org found 85 percent of teachers surveyed who flipped their class had seen improvements in grades.