President-elect Donald Trump's pick for education secretary manages a political action committee that successfully backed several Oklahoma candidates last month, potentially giving the state Legislature enough votes to pass through a school voucher plan.

Trump tapped Betsy DeVos to head the U.S. Department of Education, despite not having worked as an educator.

Instead, DeVos has operated the American Federation for Children, a nonprofit that spent nearly $170,000 in Oklahoma campaigns this year, often in opposition to public school teachers who were also running.

DeVos' selection reinforces Trump's vow to expand school choice, which could include a federal grant program for low-income students to pay for enrollment in private school.