In which of the following Supreme Court cases did Thurgood M…

In which of the following Supreme Court cases did Thurgood Marshall, then chief counsel for the NAACP, successfully argued the landmark that the practice of segregation in public schools made African American students feel inferior, even if the facilities provided were equal in nature, the Court noted in its decision, the very fact that some students were separated from others on the basis of their race made segregation unconstitutional?