Question: When was the school that  Raoul Alexander Mulder is based in founded?

Context articles: De Ateliers
Lincoln M. Alexander Secondary School
Munisense
Raoul Mulder
The Vamp
Helma Trass
University of Melbourne
Habersham County School District
Dunnville Christian School
International Raoul Wallenberg Foundation

De Ateliers (formerly Ateliers '63) is an independent art school in located in Amsterdam.
 It was founded in Haarlem in 1963, among others by Ger Lataster, Mari Andriessen, Nic Jonk, Theo Mulder and Wessel Couzijn.
 This "group of established artists... agreed that the formative process of fine artists should be more individually directed than the learning of a trade or the studying of a science."
Lincoln M. Alexander Secondary School is located in the village of Malton in the City of Mississauga, Ontario (part of the Peel District School Board).
 It is named after the former federal cabinet minister and Lieutenant Governor of Ontario Lincoln M. Alexander.
 Founded in 1968 as Westwood Secondary School, it was renamed in 2000 after it merged with Morning Star Secondary School.
Munisense is based in Leiden, Netherlands.
 It was founded by Hans Mulder and George Boersma in 2008.
 The company provides infrastructure services for wireless data acquisition, using a variety of sensors, with data analysis and presentation on the web.
 The services include realtime, continuous flow and analysis of the data, with infinite storage.
 The system also reacts to the analyzed data, by, for example, notifying the user if set limits are exceeded.
Raoul Alexander Mulder is an Australian ornithologist and evolutionary ecologist.
 Based at the University of Melbourne, he is an Associate Dean of Academic Innovation for the Faculty of Science and former head of the School of BioSciences.
The Vamp is a musical comedy with music by James Mundy; lyrics by John La Touche; and a musical book by La Touche and Sam Locke which is based on a story by La Touche.
 The musical opened on Broadway on November 10, 1955 at the Winter Garden Theatre where it ran for a total of 60 performances until it closed on December 31, 1955.
 The production was directed by David Alexander, choreographed by Robert Alton, used set and costume designs by Raoul Pène Du Bois, and conducted by musical director Milton Rosenstock.
 The cast was led by Carol Channing as Flora Weems, Jack Harrold as Bluestone, David Atkinson as Oliver J. Oxheart, and Malcolm Lee Beggs as Stark Clayton.
Helma Trass née Helma van Kessel, a student under Maria Montessori was the founder of the first Montessori school in Toronto, Ontario, Canada Toronto Montessori Schools.
 The first Monessori school in Canada was founded in 1912 in Baddeck, Nova Scotia by Mabel and Alexander Graham Bell.
 Margaret Potts established the second Montessori school in Canada in Calgary in 1919.
 After the Second World War, Van Kessel, a citizen of Holland, was so grateful to Canada's contribution to the freedom of her home country that she decided to move there.
 In 1958 she married Reino Trass (1928–2013) in Toronto.
 She was shocked to find that there were no Montessori schools in southern Ontario, despite the growing popularity of the Montessori Method.
 As a result, she created the first Montessori school in Toronto in the 1960s.
 In 1971 she founded the Toronto Montessori Institute, a school for the education of would-be Montessori teachers.
The University of Melbourne (informally Melbourne University) is a public research university located in Melbourne, Australia.
 Founded in 1853, it is Australia's second oldest university and the oldest in Victoria.
 Times Higher Education ranks Melbourne as 33rd in the world, while the Academic Ranking of World Universities places Melbourne 40th in the world (both first in Australia).
The Habersham County School District is a public school district in Habersham County, Georgia, United States, based in Clarkesville.
 It serves the communities of Alto, Baldwin, Clarkesville, Cornelia, Demorest, Mount Airy, Raoul, and Tallulah Falls.
Dunnville Christian School Society was founded in 1958 with the hope of forming a Christian School in Dunnville.
 Klaas Mulder was President of the society.
 He died weeks before the opening of their school.
The International Raoul Wallenberg Foundation (IRWF) is a non-governmental organization which researches Holocaust rescuers and advocates for their recognition.
 The organization developed educational programs for school to promote peace and civil service.
 Founded by Baruch Tenembaum, it has offices in Buenos Aires, New York, Berlin, Rio de Janeiro and Jerusalem.