Denver Public Schools is suing Secretary of Homeland Security Kristi Noem over a Trump administration immigration policy allowing raids at “sensitive” locations like schools. Records show the Colorado district struggled to accommodate migrant students under the Biden administration.

Denver Public Schools sued the U.S. Department of Homeland Security Wednesday in an effort to block federal immigration agents from making arrests at schools as the Trump administration ramps up mass deportations nationwide.

Denver Public Schools is suing to block the Trump administration’s decision to rescind a decades-old policy that limited immigration raids in protected areas such as schools.