Oxford was one of the pioneers of the University Extension movement in the United Kingdom. The Department of Continuing Education, Oxford University, offers courses on a part-time basis, online, at residential summer schools, and short courses. Students can choose from a wide range of subjects ranging from Anatomy and Philosophy to Music and Politics. With more than 15,000 students studying its courses, the Department has grown over the years. Flexible, part-time study options are available to suit the convenience of professionals.