Emmanuel College (Cambridge) is one of Cambridge's 31 colleges. One of Cambridge's richest colleges, it received about 150 million pounds in donations in 2011. The College teaches all subjects of Cambridge University, with half of the students in Arts and sciences. Since 1988, Emanuel College has been ranked the top five in the Topkins Table, based on annual final exam results. There is a big fish pond in the college, which existed as early as the time of the monastery, and a group of ducks live all the year round. The swimming pool in the academician's courtyard is also a bathhouse during the monastery period, which is also one of the oldest bathhouses in Europe. There is also a sycamore tree in the courtyard, whose age has far exceeded the average age of the tree species.