McMahon is a professional wrestling business magnate and co-chair of President-elect Donald Trump's transition team. She has limited experience working with K-12 public schools.
The availability of last year's application, and subsequently students' aid packages, was delayed several times while the Department of Education worked to update the form.
In its announcement, the Education Department said five complaints involve alleged antisemitic harassment and two involve anti-Muslim harassment on campuses across the country.
Students affected do not have to take any further action to secure their funds, and the Department of Education will begin notifying those students soon, the agency said.