Nezamiyeh
Nizamiyah Madrasahs (schools) were established by Khwaja Nizam al-Mulk, the most famous vizier of the Seljuk Empire, thus the name Nizamiyyah became popularized in Islamic History. The Madrasahs were regarded as the first well organized universities in the Muslim world. The quality of education was unquestionably the highest in the entire Islamic world. They were, therefore, supported financially, politically and spiritually by the kings, viziers, princes and other people of prominence.
The most famous and celebrated of all the Nizamiyyah schools was the Nizamiyyah of Baghdad (established 1065) where Nizam al-Mulk Tusi appointed the most distinguished Muslim Philosopher and Theologian, al-Ghazali, as a professor. The other Nizamiyyah schools were located in Nishapur, Balkh, Herat and Isfahan.