Slightly more than half of the tutors and half the students are female. SES has been described as an "exclusively a British organisation". Apart from two office staff, all the SES's work is done on a voluntary basis. Worldwide operations SES is one of the most widespread organisations related to Advaita, in addition to the campuses in the United Kingdom, most of which are called The School of Economic Science, there are several dozen associated branch organisations worldwide, most of which are called the School of Practical Philosophy or some variant of that name. The first such operation was established in Wellington, New Zealand in 1957. Another sources shows the in Canada SES was chartered under the companies act of Ontario as a non-profit body in 1939. One of the best known is the School of Practical Philosophy in New York City, founded in 1964. here are branches in USA, Canada, Venezuela, Australia, New Zealand, South Africa, Trinidad, Belgium, Cyprus, Greece, Holland, Malta, Spain, Ireland, Hungary, Germany, Israel, Fiji and Argentina. According to the spokesperson for the New York branch, Dr Monica Vecchio, SES and the School of Practical Philosophy are "the same thing with different names. There are 70 or 80 [branches] around the world. Each share the same course curriculum, with the same content. The principles are the same, the practices are the same, the stream of discussion is the same." A branch of the organisation called the School of Practical Philosophy opened in 1964 in New York City. The New York facility was launched in 1964 as a not-for-profit corporation chartered by the Board of Regents of the State of New York. It received tax-exempt status in 1982. It has branches in the Hudson Valley; Rochester, New York; Albany, Georgia; Scottsdale, Arizona; South Florida; San Francisco; Boston; and the state of New Jersey. The main branch is located at 12 East 79th Street in Manhattan. There is an additional property in Wallkill, New York, in a mansion once owned by Marion Borden. It bought an Upper East Side mansion from millionaire Charles Ogden in 1975, and put it on sale in 2014 for $51 million. Many New Yorkers are aware of the School of Practical Philosophy and its 10-week foundation course, Philosophy Works, due to extensive advertising in the subway, featuring the taglines "this poster can make you happier than any other on the subway" and "sustainable