WASHINGTON (AP) — The Trump administration is proposing "the most ambitious expansion" of school choice in American history, Education Secretary Betsy DeVos announced Monday while giving few details on how the program would work.

"We must offer the widest number of quality options to every family and every child," DeVos said in a speech in Indianapolis. "We stand on the verge of the most significant opportunity we have ever had to drag American education out of the Stone Age and into the future."

DeVos gave few specifics other than to say that the state of Indiana could serve as a model. India...