A New York school district admitted Friday to over-revolving more than $100 million in money it used to cover overtime wages, travel and other expenses related to its 2015 class of 8,000-plus students.

In response to the allegations, the New York State Education Department released a statement saying that it would investigate.

The statement said the allegations against the New School School District “cannot be independently substantiated and that no one has provided evidence of a pattern or practice of misuse of funds by the New school district.”

“While we have not received all the requested documents, we believe we have the necessary evidence to conclude that the allegations in this case are credible,” the statement said.

The New York Post reported on Thursday that some of the district’s teachers and administrators were paid more than double the state minimum wage of $7.25 an hour.

The newspaper said that teachers received $20,000 more per year than their counterparts in other districts and that the school board had not disclosed the difference between the wages of its teachers and other employees.

School Board members have not been charged with any wrongdoing, but the Post said some employees had been warned about the problem.

New York Public Library, which was also accused of using overtime to cover expenses related of its 2014 class, has not released the details of its alleged misconduct.

The library district said in a statement that it was reviewing the allegations and would not comment further until a thorough investigation was completed.