The university was started in 1870 in a farming group in Columbus, Ohio. The first class had only 24 students. In the 1880s, Ohio State started taking graduate students. They started the law school in 1891. Later, Ohio State added colleges of medicine, dentistry, commerce, and journalism. In 1906, Ohio made a law that said Ohio State University was the state's "flagship campus", or the best school in the state of Ohio.