This case in 1969 said that some forms of protest by public school students are constitutionally protected as long as they do not interrupt the learning of others.

This case in 1963 determined that the right to counsel in felony criminal cases is a fundamental right essential to a fair trial. Therefore, this protection from the Sixth Amendment applied to state courts as well as federal courts. State courts must appoint counsel (public defenders) to represent defendants who cannot afford to pay for their own lawyers.

This case in 1989 determined that the burning of the flag of the United States was a constitutionally protected form of free speech.

This case in 2015 held that same sex marriage is protected by the 14th amendment’s Equal Protection Clause and the Constitution’s Article IV Full Faith and Credit Clause.

This case in 1954 said that the "separate but equal" principle is inherently unequal, and therefore unconstitutional.

This case in 1988 held that public school administrators can censor articles in school newspapers.

This case in 1857 held that enslaved people were not free even if they lawfully lived in free states.

This case in 1896 held that racial segregation was legal and established the "separate but equal" principle.

This case in 1803 established the precedent of Judicial Review.

This case in 1966 established that those held in police custody were entitled to a warning about their right against self-incrimination and the right to counsel.

This case established that the Due Process clause of the 14th Amendment and the 9th Amendment’s “rights to the people,” included the right to abortion with regulation.

This case in 1974 established the principle that executive privilege is not absolute.

This case in 1961 found that the Exclusionary Rule applied to “unlawfully gotten” evidence in both federal and state courts.

In 1985, this case established the precedent that public school searches without a warrant are constitutional if there is “probable cause and reasonable belief” that a crime is being committed by a student.

This case in 1944 held up the constitutionality of internment camps for Japanese Americans under the special war time powers of the executive branch.  Executive Order 9066  was later vacated and this precedent overturned.

In Brown v Board of Ed, segregation by race was found to violate the Equal Protection Clause of the 14th Amendment.

Why is evidence gained in violation of the 4th Amendment's prohibition on unreasonable searches and seizures, evidence gained without a warrant, not admissible in state courts.

The Supremacy Clause states that

Equal Protection Clause states that "No State shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States; nor shall any State deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws."

That Executive Privilege is not absolute confirms that "no one is above the law."

How many Amendments are there currently to the US Constitution?