Signage is seen at the Federal Trade Commission headquarters in Washington, D.C., U.S., August 29, 2020.
Complaints about for-profit schools rose some 70% between 2018 and 2020, the agency said.
The notices echo an effort by the Obama administration to pursue for-profit schools whose former students have high loan default rates.
At least one chain of schools, Corinthian Colleges, collapsed when its students were denied access to federal student loans.
"Working closely with our state and federal partners, we’ll be monitoring this market carefully.".
The letters were sent to the University of Phoenix, DeVry University and Grand Canyon University, among others.
The other two schools did not respond to a request for comment. »