Columbia Law School (Columbia Law or CLS) is the law school of Columbia University, a private Ivy League university in New York City. Columbia Law is widely regarded as one of the most prestigious law schools in the world and has always ranked in the top five schools in the United States since the establishment of the law school rankings by U.S. News & World Report in 1987. Columbia Law is especially well known for its strength in corporate law and its placement power in the nation's elite law firms.