This School is the 43rd in the series organized at Culham Science Centre, near Oxford. No preceding knowledge of the subject is assumed. Previous Schools have attracted students from more than 50 different countries, including Australia, Brazil, Canada, Chile, China, Ghana, Japan, Mexico, New Zealand, Russia, South Africa, Turkey, Ukraine, USA, and over 20 European countries. In 2005, for example, more than two thirds of the students were from outside the UK. A large proportion of the international plasma physics and fusion community has attended the course.