This analysis examines the effects of family background factors such as father's education, father's occupation, and class conception on access to university and college education. The study was utilized with samples on freshmen's data pubished by 28 universities and colleges on nation wide. As the results of the analysis, the differences on family background was found among universities and across regions located in universities. In father's education, freshmen is Seoul universities had more schooling years than freshmen on City universities, In father's occupation, freshmen in Seoul had more proportionated than freshmen on City in professional-managerial occupation. In class conception, the freshmen in Seoul had more high level than the freshmen on City. In Korea, inequality of educational opportunity was summarized the region segmentation and individual university rankings. The region segmentation was the stratification of universities according to the location. The difference between Seoul's universities and City's in ascriptive factors informed the region segmentation. The universities rankings was called the stratifed priority among individual universities in the same region. Universities was stratified according to freshmen's family background. Therefore, it could not be said that Korean universities realize the equlity of opportunity.