Exit polls are surveys of a random sample of voters taken after they leave their voting location, supplemented by telephone interviews to account for absentee or early voters in many states. Pollsters ...

Sarah D. Sparks is a reporter and data journalist for Education Week who covers the teaching profession and pedagogy for Education Week. She has covered education research and the science of learning ...

Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...