Columbia University's interim president, Katrina Armstrong, has stepped down - a departure that comes one week after it agreed to significant changes amid a heated battle with the Trump administration over its federal funding.

Katrina Armstrong is leaving the post a week after the university agreed to a list of demands from the White House.

The resignation comes after Columbia caved in to demands from Trump, who claims the school failed to fight antisemitism.

Among the new changes, Columbia agreed to review its admissions policies, ban protesters from wearing masks, bar demonstrations from academic buildings and to put its Middle East studies department under the supervision of a new senior provost with a mandate to review its leadership and curriculum.

Columbia University appointed a new acting president Friday. Katrina Armstrong, who had been serving as the interim president since August 2024, will be returning to her previous position as the CEO of Columbia's Irving Medical Center.

Protests against Columbia University are breaking out after the school agreed to the Trump administration's demands to change its policies to restore federal funding. NBC News' Maya Eaglin reports on reactions from students and alumni from the School of International and Public Affairs.

Katrina Armstrong, interim president of Columbia University, is stepping down, the school said in an announcement Friday.

Columbia University has appointed Claire Shipman, a co-chair of its board of trustees, as acting president of the institution targeted by the Trump administration with major federal funding cuts. Why it matters: President Trump's administration pulled some $400 million in federal grants and contracts from the school over allegations of antisemitism during pro-Palestinian protests on the campus.