The Education in Oman is provided free of charge up to end of secondary education, though attendance is not mandatory at any level. In 1970 there were only three formal schools with 900 students in the whole state . Oman's national educational program expanded rapidly during the 1970s and the 1980s. In 2006–2007 about 560,000 students attended 1053 public schools. The number of students in private schools is about 65,000. There are also extensive programmes to combat adult illiteracy. Sultan Qaboos University, the only national university near Muscat, was founded in 1986, and in 2006 it had 13,500 students. The Human Development Report found the literacy rate to be 93.0% in adults, up from 54.7% in 1990. For the same period, the youth literacy rate increased from 85.6 to 97.3%. Public expe