教育是使社会和国家可持续发展的社会制度之一。通过教育，人们获得了知识、技能、习惯、价值和道德，以及态度(Roth Hok, 2004, p 3)。它为国家提供了劳动力，以应对当今竞争激烈的经济和技术发展的全球化挑战。各国根据上述需要，努力提高教育质量，扩大和普及全国各地的教育建设中心、中小学和大学。此外，它们还为那些想在教育部门工作的人提供了机会，而这些教育部门是私营部门或组织。此外，教育机构试图改革和产生更多的方法，结构或其他技术来改进教育制度。教育有四个功能:文化、资格、分配和合法化(历史根源文件)，其中每个功能都起着非常重要的作用，并在教育变得越来越有效的各个方面起着不同的作用。为了更有效地稳定和发展国家，正当化是教育中积极应用的最重要职能之一。在教育方面，合法化是建立和联系社会中的人们的工具。它提供了规范、价值和意识形态，以稳定政治权力以及文化和社会认同.
Education is one of social institution that makes society and the country sustainable and development. With education, people acquire knowledge, skills, habit, value, and morality, and attitude (Roth Hok, 2004, p 3). It provides the country workforce in order to meet the challenge of globalization of today competitive economic and technological development. Accordance with the needs above, each country try to build up quality of education, enlarge and widespread the educational building centers, schools and universities everywhere in the country. Moreover, they provide the chance to those who want to work on the educational sectors which aspect as private sector or organization. Additionally, the educational institution tries to reform and generate more method, structure or other techniques to improve the educational system. There are four functions of education: enculturation, qualification, allocation and legitimation (Historical Root Document) in which each function plays very important role and works in deferent aspect that education become more and more effective.In order to stabilize and develop the country more effectively, legitimation is one of the most important functions, which have been applying actively in education. In term of educational aspect, legitimation is the tool to establish and link the people in society. It provides norm, values and ideology to stabilize the political power and also cultural and social identity