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

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.

U.S. District Judge Myong Joun sided with Colorado and seven other states that had requested a temporary restraining order.