What supreme court case effectively outlawed segregation in us schools?

Brown v. Board of Education of Topeka, 347 U.S. 483 (1954), was a landmark United States Supreme Court case in which the Court declared state laws establishing separate public schools for black and white students to be unconstitutional.(hope this helped)

Brown v. Brown of Education (1954) outlawed segregation in the public schools. It overturned Plessy v, Ferguson, which established the idea of separate but equal in the law.