A U.S. District Court Judge has temporarily blocked the Trump administration's attempt to cancel an estimated $250 million in teacher-training grants across the country, including a significant cut affecting students preparing to staff high-need California schools.

A federal judge in Boston on Tuesday blocked the Trump administration's plan to cut hundreds of millions of dollars for teacher training, finding that cuts are already affecting training programs aimed at addressing a nationwide teacher shortage.

President Trump is not a king, and he cannot unilaterally dismantle our education system," New Jersey's attorney general said.