Over the last forty years, the estimated number of international schools worldwide has increased from fewer than 300 to 6400 in 2012. This explosion is a response to the needs of a world in which borders are being traversed with ever greater ease and children increasingly need to be prepared for the global opportunities that await them. In this book, international school specialists reflect on where the movement has come from, how it stands and where developments are heading, offering insightful observations on these unique institutions. This is a comprehensive resource for students, researchers and professionals with an interest in the future of education in a globalized world.