Texas Tech University, often referred to as Texas Tech, Tech, or TTU, is a public research university in Lubbock, Texas, United States. Established on February 10, 1923, and originally known as Texas Technological College, it is the leading institution of the four-institution Texas Tech University System. The university's student enrollment is the sixth-largest in the state of Texas, as of the Fall 2014 semester. The university shares its campus with Texas Tech University Health Sciences Center, making it the only campus in Texas to house an undergraduate university, law school, and medical school at the same location.