Revolution. Universities are mostly coeducational in Iran. University of Kosar (Bojnourd, Iran) and Narjes Rafsanjan University (Rafsanjan, Iran) are two examples of female-only universities. Iraq In the Middle East, public schools in several countries are all gender-segregated. Private schools are primarily coeducational in the United Arab Emirates, while public schools are segregated. Syria In Syria, private schools are coeducational, while public schools are mostly, but not exclusively, segregated. Universities are all coeducational. Israel In Israel, secular public schools are coeducational. Many, but not all, Orthodox public schools are single-sex; the private ultra-Orthodox schools are almost always gender-segregated, usually starting in elementary school. Lebanon In Lebanon, most schools are co-educational schools. New Zealand In New Zealand, almost all primary schools are coeducational (1,935 co-ed, 7 boys-only, 4 girls-only), while there are more examples of single-sex secondary schools. There are 45 boys-only secondary schools, 53 girls-only secondary schools and 274 mixed secondary schools . During the mid-20th century, several state coeducational secondary schools split into two single-sex schools, with one school moving to a new site, to alleviate overcrowding. These included Hamilton (1955), Gisborne (1956), Hastings (1956), Tauranga (1958), Rotorua (1959), Westlake (1962), Kelston (1963), and Marlborough (1963). Nigeria In Nigeria, public opinion regarding sexes in schools is influenced most by religious and cultural beliefs rather than the idea that students learn better separated into sexes. Because of this, the attitude towards the separation/integration of sexes varies depending on the ethnic makeup of the region. People in northern Nigeria are primarily Muslim and, as a result, are more inclined to choose single-sex education over coeducation in line with their religious beliefs. However, country-wide, coeducation schools are more common than single-sex schools. In contrast to the predominance of coeducation schools, many prestigious educational institutions only accept one sex; notable examples include King's College and Queen's College situated in Lagos. Although the sexes are not separated in the classroom at the university level, it is common practice to employ a single-sex housing policy on university campuses, e.g., Covenant University. Pakistan The education system in Pakistan is generally divided into six levels: preschool (for the age from 3 to 5 years), primary (grades one through five), middle (grades six through eight), high (grades nine and ten, leading to the Secondary School Certificate or SSC), intermediate (grades eleven and twelve, leading to a Higher Secondary School Certificate or HSSC), and university programs leading to undergraduate and