The founding of the regular schools in the year (457AD/1064AD) by Nizam al-Malik as the minister of the Seljuk authority, is considered the oldest school, an organization independent of the mosque, and one of its primary goals is to stand in front of the Shiite current and their path, which then they turn towards the authority and dominance of the Abbasid Caliphate. There is no doubt that the presence of educational and scientific goals and the qualification of government employees in all institutions and departments concerned with the state, as well as providing the needs and stopping the regularities, has become an essential factor for the sustainability and independence of those schools. The Nizamiyah of Baghdad is one of the main centers that many Sunni scholars from the far corners of the earth in the Islamic world traveled to, and they wanted to become a teacher there. Regular schools were established in most of the different cities and regions in the Islamic world, and they began to pay attention to them, and reading the Qur’an was an essential center for study, not to mention other subjects such as Islamic sciences, and then they began to be interested in subjects such as (medicine and mathematics) and other sciences such as astronomy, astrolabe and sociology. The historians considered the Seljuk vizier Nizam al-Mulk Gol a person who established schools in the Islamic world, Since the idea of these schools “produced a kind of limited ideas according to the Shafi’i Sunni school of poetry, whose influence has been present throughout history and now onwards is clearly visible.