Missouri University of Science and Technology (commonly Missouri S&T and formerly known as the University of Missouri–Rolla and originally Missouri School of Mines and Metallurgy) is an institution of higher learning located in Rolla, Missouri, United States, and part of the University of Missouri System. Most of its 7,206 students (Fall 2010 enrollment) study engineering, computing, mathematics and the sciences. Although known primarily as an engineering school, Missouri S&T has numerous majors in humanities, social sciences, arts, sciences and business. The school is famous for its repeated success in national solar car design competitions and its century-long tradition of aggrandized celebrations surrounding Saint Patrick's Day. Missouri S&T was originally a University of Missouri offspring called the Missouri School of Mines and Metallurgy (MSM), founded in 1870 as the first technological learning institution west of the Mississippi River. Early in its beginnings, the School of Mines was focused primarily on mining and metallurgy, but by the 1920s, had expanded into civil, electrical, mechanical and chemical engineering as well as chemistry, physics, mathematics and geology.