Brown v. Board of Education. 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. Sentence: This case was important because it was a step toward an equal, non-segregated America, and it started with education, one of the most powerful tools a person can have.