The Ohio State University, commonly Ohio State or OSU, is a public land-grant research university in Columbus, Ohio. The flagship of the University System of Ohio, it is considered a Public Ivy, and has been ranked by major institutional rankings as among the best public universities in the United States. Ohio State’s political science department and faculty have greatly contributed to the construction and development of the constructivist and realist schools of international relations; a 2004 LSE study ranked the program as 1st among a public institution and 4th overall in the world. A member of the Association of American Universities, Ohio State is a leading producer of Fulbright Scholars, and is the only school in North America that offers an ABET-accredited undergraduate degree in welding engineering. The university’s endowment of $5.29 billion in 2020 is among the largest in the world.