Addis Ababa University (AAU), which was established in 1950 as the University College of Addis Ababa (UCAA), is the oldest and the largest higher learning and research institution in Ethiopia. Since its inception, the University has been the leading center in teaching-learning, research and community services. In recent years, the University has been undertaking various reform schemes in order to cope with and respond to the fast-changing national and international educational dynamics. At present the University has 10 colleges, 4 institutes that run both teaching and research, and 6 research institutes that predominantly conduct research. Within these academic units, there are 55 departments, 12 centers, 12 schools, and 2 teaching hospitals. The University has the following academic units.