With his legislative agenda in trouble, President Trump could do a lot of good by using his executive power to reverse an egregious example of the Obama administration’s bureaucratic tyranny. I refer to the 2011 command by the Education Department’s Office for Civil Rights, and subsequent orders, forcing thousands of schools to take an aggressive role in the investigation and punishment of alleged sex crimes on college campuses.

Under threat of losing federal funds, almost all schools have willingly complied with a procedural...