Final answer:
The landmark case Brown v. Board of Education ruled that segregated schools violated the equal protection clause.
Step-by-step explanation:
In the landmark case Brown v. Board of Education, the Court ruled that segregated schools violated the equal protection clause. The equal protection clause is found in the Fourteenth Amendment of the United States Constitution, which guarantees that no state shall deny any person within its jurisdiction equal protection of the laws.
Learn more about Brown v. Board of Education