The oldest university in the English-speaking world is the University of Oxford, located in England. Its exact founding date is unclear, but teaching existed in some form as early as the 11th century, making it one of the earliest educational institutions in the world. Over the centuries, Oxford has grown to become a premier institution of higher learning, renowned for its rigorous academic programs and distinguished alumni, including numerous Nobel laureates and world leaders. The university is comprised of various colleges and departments, contributing to its diverse and rich academic culture, continually placing a strong emphasis on research and scholarly excellence.