Jonathan Kozol-according to his biography is an American writer, educator, and activist, best known for his books on public education in the United States. He also received variety of rewards such as National Book Award or Puffin/Nation Prize for Creative Citizenship. Assessing the value of the essay, it is worth considering author’s background, in order to examine his credibility and conversance with the subject. In this case, it is certain that the author, as a practitioner has got direct insight into problems of public schools. In his essay "Still Separate, Still Unequal" Jonathan Kozol depicts the apparent growing trend of racial segregation within America’s urban and inner-city schools. Jonathan Kozol illustrates the dismal verity of the inequality that African American and Hispanic children encounter within present-day state education system. Kozol shows the reader, with alarming statistics and percentages, how segregated American urban schools have become. He also exposes the fact that suburban schools, with predominantly white students are given far better funding and a much higher quality education, than the poverty stricken schools of the urban neighborhoods. In “Still Separate and Still Unequal” Kozol reveals, that even though the law prohibits discrimination in public schools, racial segregation is still present in majority of them. The article is mostly based on his own practise, experience and opinion.Kozol provides several supporting factors to his claim resulting from his research and observations of different school environments, its teachers and students, and personal conversations with them. Kozol uses extensive statistics of black and white ratios in urban high schools and primary sources to authenticate his ideas. Jonathan Kozol states that the education system of today is as separated and unequal for students based on the color of their skin or their race, as it was 50 years ago. As an example of this Ko