House Republicans are investigating Harvard University for alleged noncompliance with civil rights law, the latest GOP attack on the elite institution as its billions of dollars in federal funding have come under siege by the Trump administration.

In a letter to Harvard President Alan Garber, House Oversight Chair James Comer of Kentucky and House Republican Leadership Chair Elise Stefanik of New York requested materials around the school’s hiring practices; Diversity, Equity and Inclusion programs and policies; campus protests in the wake of the Oct. 7 attack on Israel; and cooperation with immigration officials, among other documents.

The lawmakers point to Harvard’s decision to reject a potential settlement with the Trump administration, which would have required the school to alter its rules around student and faculty conduct to protect its federal funding.

“Harvard is apparently so unable or unwilling to prevent unlawful discrimination that the institution, at your direction, is refusing to enter into a reasonable settlement agreement proposed by federal officials intended to put Harvard back in compliance with the law,” the lawmakers write to Gerber. “No matter how entitled your behavior, no institution is entitled to violate the law.”

Harvard, which receives hundreds of millions of dollars each year from the federal government, is among a host of schools that have come under fire from the administration for allegations of civil rights violations. But while its peer, Columbia University, bowed to pressure from the administration in accepting their demands, Harvard has defiantly argued that doing so would jeopardize its independence.

The administration, in response, has escalated its threats. On Tuesday, Trump said he could revoke the institution’s tax-exempt status in a post on Truth Social, after his administration said it would withhold billions of dollars in grants. On Wednesday, Department of Homeland Security Secretary Kristi Noem announced her department had canceled millions of dollars in grants to Harvard and suggested that the agency could revoke its ability to recruit international students.

The letter from Comer and Stefanik also asks for documents and communications from Harvard around the student visa program.

GOP officials have long argued that liberal-leaning institutions of higher education are biased against conservatives. But since the Oct. 7 attack in Israel, conservatives like Comer and Stefanik have increased their allegations of biases — particularly antisemitism — as campuses became consumed by protests around the Israel-Hamas war.

At a 2023 Congressional hearing with three elite university presidents, including then-Harvard President Claudine Gay, Stefanik questioned in a viral exchange whether calling for the genocide of Jews violated their codes of conduct, to which the presidents offered complicated answers. Two of those university presidents, including Gay, have since departed their posts.