Dismantling the U.S. Education Department will cut costs and improve learning, says President Trump.

If education is sent "to the states," will they do a better job?

President Trump called the Education Department a "big con," and said most states could do better on their own.

"We're in the midst of an "education depression," an "era of shrinking outcomes and opportunity," writes Tim Daly. From 1990 to 2013,...