The justices agreed to decide whether to overrule a nearly 40-year-old precedent that authorizes teachers' unions to collect service fees from those who refuse to join.
The justices jumped back into the debate over affirmative action in higher education, granting review of a race-conscious admissions plan at the University of Texas at Austin.
In his majority opinion, Justice Anthony M. Kennedy said marriage "safeguards children and families and thus draws meaning from related rights of childrearing, procreation, and education."
On two issues with implications for schools, health care and housing discrimination, the justices gave major victories to President Barack Obama's administration.
The justices rule 5-4 that a Louisiana inmate deserves a chance to prove that he was intellectually disabled and thus ineligible for execution.
In a First Amendment decision with potential implications for schools, the U.S. Supreme Court holds that specialty plates with messages by private groups represent government speech.
The justices rule unanimously that a child's statement to teachers about abuse at home may be introduced at trial without the testimony of the child.
The court upholds a Tennessee school district's use of a private Christian school as its alternative education provider for students with disciplinary problems.
A federal district judge finds the new version of the Liberal Arts and Sciences Test used by New York City had a racially disparate impact.
The U.S. 4th Circuit court upholds unitary status for the Pitt County, N.C., district, over a community group's objections that student racial imbalance had increased in recent years.