The school can only restrict speech if they can prove the conduct in question would significantly interfere with learning.

Mandatory prayer in schools is a violation of the establishment clause

Struck down Texas law that banned flag burning, which is a protected form of symbolic speech.

School newspapers can be censored by teachers and administrators

speech can be limited if it is considered a "clear and present" danger

"Fighting words" are not protected by the First Amendment

speech that does not call for illegal action is protected, and even speech that does call for illegal action is protected if the action is not "imminent" or there is reason to believe that the listeners will not take action

5th Amendment self-incrimination clause requires government agents to warn suspects of their right to remain silent and/or contact an attorney before questioning them when they are in custody.

Extends to the defendant the right of counsel in all state and federal criminal trials regardless of their ability to pay (6th Amendment).

Established exclusionary rule; illegally obtained evidence cannot be used in court; protection against unreasonable search and seizure (4th Amendment).

State death penalties (as then applied) are arbitrary and violate equal protection of 14th Amendment.

Abortion rights fall within the privacy implied in the 14th amendment

Supreme Court decision endorsing police officers' authority to stop and frisk suspects on the streets when there is reasonable suspicion that they are armed and involved in criminal activity

a landmark decision of the U.S. Supreme Court in which the court held that the Constitution of the United States does not confer a right to abortion.