Which landmark case addressed school segregation in the U.S.?

The case that addressed school segregation in the U.S. is Brown v. Board of Education. This landmark Supreme Court decision, rendered in 1954, invalidated the doctrine of "separate but equal" established in Plessy v. Ferguson. In Brown v. Board of Education, the Court found that racial segregation in public schools was inherently unequal and, therefore, unconstitutional under the Equal Protection Clause of the Fourteenth Amendment.

The ruling marked a crucial turning point in the civil rights movement, as it provided a legal foundation to challenge segregation in all areas of public life. By declaring that "separate educational facilities are inherently unequal," the Court recognized the psychological and social disadvantages imposed on black children by segregated schooling, setting the stage for further legal and social advancements toward desegregation and equality in the United States.