Do you know what Brown v. Board of Education is? Did you know that Miami once was the most segregated city in the United States?

Most grade-school students in the United States don't, according to a report released by the Southern Poverty Law Center.

The report evaluated how extensively states' grade schools taught the civil rights movement.

Thirty-five states received F's. Alabama, Florida and New York were the only states to receive A's.

The state's grade doesn't mean Florida students know enough about the movement, said Jack Davis, a UF history professor.

Davis teaches the civil rights movement to both undergraduate and graduate students and said their knowledge about the movement mostly is limited to famous activists, such as Martin Luther King Jr., and famous sites, including Birmingham, Ala., and Selma, Ala....