The university offers 54 undergraduate, 29 master's, and nine doctoral degrees through its eight colleges, one school and one joint school; the university awards more than 2,600 degrees annually, and has an alumni base of around 65,000.[11] The main campus encompasses over 600 acres (2.4 km2) in area,[12] additionally, the university operates a 492 acres (1.99 km2) working farm,[12] and two research parks totaling a combined 150 acres (0.61 km2).[13] The university is classified as a high activity research university by the Carnegie Classification of Institutions of Higher Education.[14][15][16] The university ranks third in sponsored funding among University of North Carolina system institutions.[17] As of 2021, the university conducts over $78 million in academic and scientific research annually, and operates 20 research centers and institutes on campus.[18] The university's designation as a land grant institution reflects its broad range of research with ongoing projects funded by agencies such as the National Aeronautics and Space Administration (NASA), U.S. Department of Agriculture, U.S. Department of Defense, National Institutes of Health, and the National Science Foundation.[18]