Four cases have played a particularly important role in the struggle for education on equal terms in greater Los Angeles. Westminster School District of Orange County et al. v Mendez outlawed the segregation of Mexican American children in California in 1947. Br own v. Board of Education of Topeka ruled that states could not maintain separate educational facilities for students of different races. Crawford v. Los Angeles challenged school segregation in Los Angeles. The case was originally filed in 1963 and not settled until 1982. Williams v. State of California, filed on the 47th anniversary of Brown, seeks to remedy the substandard conditions in California schools serving low-income students of color and to insure that all students in California receive a decent education.