Former Department of Education employees and education advocates told ABC News that they worry this ruling could harm the most vulnerable children in the country.

"The President must take care that the laws are faithfully executed, not set out to dismantle them," Sotomayor wrote.

The Supreme Court has allowed President Donald Trump to move forward with efforts to dismantle the Education Department. Here's what the agency does.

A coalition of more than 20 U.S. states has taken legal action against the Trump administration, accusing it of unlawfully freezing billions of dollars in federal education funding that supports after-school care,