Original sentence: The Carnegie Foundation for the Advancement of Teaching and The New York Times have criticized Yale for having its teaching fellows (known as TFs) teach sections and lead some classes.The article mentions this is a problem affecting many Ivy League Universities.Yale has been criticized, like many comparable universities, of grade inflation
Edited sentence: The Carnegie Foundation for the Advancement of Teaching, The New York Times, and some students have criticized Yale for having its teaching fellows (known as TFs) teach sections and lead some classes.The article mentioned this was a problem affecting many  Ivy League Universities.Yale has been criticized, like many other comparable universities, of grade inflation