A U.S. teachers union on Tuesday sued to block a Trump administration policy that would withhold federal funds from schools that teach lessons about systemic racism and other so-called diversity, equity and inclusion topics.

A new lawsuit accuses Trump Education Department of trying to rewrite civil rights law when it threatened to pull federal school funding over mentions of race.

A new federal lawsuit in Maryland is challenging a Trump administration memo giving the nation’s schools and universities two weeks to eliminate “race-based” practices of any kind or risk losing their federal money.

The American Federation of Teachers sued the Trump administration Tuesday over its warning to schools that they may lose federal funding if they persist with diversity, equity and inclusion (DEI) programs.