Purdue University is a public land-grant university system within the state of Indiana. Purdue’s main academic campus is located in the city of West Lafayette, on the banks of the Wabash River. Satellite campuses are located in Hammond, Fort Wayne, Westville, and other cities. Purdue also has three campuses affiliated with Indiana University, and Purdue’s School of Technology has seven satellite locations throughout Indiana. With 18,209 acres (74 km²) and over 69,000 students, Purdue is one of the largest university systems in the United States. The university is particularly noted for its engineering, agriculture, and business programs, which consistently rank among the best in the country. Purdue is also home to the state of Indiana's school of veterinary medicine, and a number of research facilities, including Discovery Park.