Follow the science. That was Joe Biden’s promise to the American people—until Randi Weingarten and the American Federation of Teachers disagreed.

I spent much of my time as governor saying that we needed to put children and parents first in public education. The teachers union in New Jersey spent tens of millions of dollars to oppose my reform efforts and protect the status quo. As a result our per pupil costs were among the country’s highest, and families in many urban districts were held hostage by failure.

America’s public schools have mostly been closed to in-person learning for a year. Those that have opened are proving themselves to be relatively safe. In an article published Jan. 26 in the Journal of the American Medical Association, three researchers from the Centers for Disease Control and Prevention found “little evidence that schools have contributed meaningfully to increased community transmission” of the coronavirus. Data from reopened classrooms don’t show the rapid spread that has been observed in congregate living facilities and high-density work sites.