NIZAM UL MULK Tusi & His HRD Resolutions For Establishing Madrasa Nizaamiya

The seven centres of the Madrasa Nizaamiya across the Muslim world under the great Seljuk Sultanate were the first organised higher education system of the world, which became the cradle of higher education or college education in Europe. 

George Macdisi also has shown light on this, in his book "Rise Of Colleges in Europe And Islam".