The City University of New York is the public university system of New York City. It is the largest urban university system in the United States. CUNY was founded in 1961 and comprises 26 campuses: eleven senior colleges, seven community colleges, one undergraduate honors college, and seven post-graduate institutions. The university enrolls more than 275,000 students, and counts thirteen Nobel Prize winners and twenty-four MacArthur Fellows among its alumni CUNY has served a diverse student body, especially those excluded from or unable to afford private universities. Its four-year colleges offered a high quality, tuition-free education to the poor, the working class and the immigrants of New York City who met the grade requirements for matriculated status. During the post-World War I era, when some Ivy League universities, such as Yale University, discriminated against Jews, many Jewish academics and intellectuals studied and taught at CUNY