Final answer:
The important 1954 Supreme Court ruling that banned racial segregation in public schools is Brown v. The Board of Education of Topeka.
Step-by-step explanation:
The important 1954 Supreme Court ruling that banned racial segregation in public schools is Brown v. The Board of Education of Topeka. This landmark case declared that racial segregation in public schools violated the Fourteenth Amendment, regardless of whether those schools were equal in every other aspect.
The case was created by consolidating five separate lawsuits that were each sponsored by the NAACP.