Education in Cambodia is controlled by the State through the Ministry of Education in a national level and by the Department of Education at the provincial level. The Constitution of Cambodia establishes that the State shall protect and upgrade citizen's rights to quality education at all levels, guaranteeing that all citizens have equal opportunity to earn a living . The State shall adopt an educational program according to the principle of modern pedagogy including technology and foreign languages, as well as the State controls public and private schools and classrooms at all levels . The Cambodian Education System includes pre-school, primary, general secondary, higher education and non-formal education. The education system includes also the development of sport, Information Technology education, research development and technical education. School enrollment has increased during the 2000s (decade) in Cambodia. USAID data shows that in 2011 primary enrollment reached 96% of the child population, lower secondary school 34% and upper secondary 21%