The University of Colorao at Colorado Springs (formerly CU-Springs, UCCS officially) is the second-largest campus of the University of Colorado system. It has approximately 6,150 undergraduate students and approximately 1,500 graduate students. It was established as an extension campus in the 1920s. It is known especially for its engineering, business, and nursing programs. In 2006, US News and World Report Rankings of masters/bachelors focused engineering schools, the UCCS College of Engineering and Applied Science ranking placed it 4th nationally among state institutions, and 16th overall. Overall UCCS has been ranked by US News as a "Best in the West," with 2007 ranking 7th among public western regional universities. UCCS has been ranked in the top 10 western regional public universities each year since 2002.