Yale University is a private Ivy League research university in New Haven, Connecticut, United States. Founded in 1701, Yale is the third-oldest institution of higher education in the United States. It is one of the nine colonial colleges chartered before the American Revolution.

Yale was established as the Collegiate School in 1701 by Congregationalist clergy of the Connecticut Colony. Originally focused on theology and sacred languages, the school's curriculum expanded to include humanities and sciences by the time of the American Revolution. In the 19th century, the college expanded to include graduate and professional instruction, awarding the first PhD in the United States in 1861 and organizing as a university in 1887. It is one of the founding members of the Association of American Universities. Yale's faculty and student populations grew rapidly after 1890 due to the expansion of the physical campus and its scientific research programs.

Yale is organized into fifteen constituent schools, including the original undergraduate college, the Yale Graduate School of Arts and Sciences, and Yale Law School. While the university is governed by the Yale Corporation, each school's faculty oversees its curriculum and degree programs. In addition to a central campus in downtown New Haven, the university owns athletic facilities in western New Haven, a campus in West Haven, and forests and nature preserves throughout New England. As of 2025, Yale's endowment was valued at $44.1 billion, making it the second-largest among all educational institutions and the second-largest among private universities. The Yale University Library, serving all constituent schools, holds more than 15 million volumes and is the third-largest academic library in the United States. Student athletes compete in intercollegiate sports as the Yale Bulldogs in the NCAA Division I Ivy League conference.

Yale University
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