Final answer:
In the case of New Jersey v. T.L.O., the Supreme Court ruled that the Fourth Amendment applies to searches conducted by public school officials and that they can use the standard of reasonable suspicion. This case involved a high school student's purse being searched by a school administrator.
Step-by-step explanation:
In the case of New Jersey v. T.L.O., the Supreme Court ruled that the Fourth Amendment's ban on unreasonable searches and seizures applies to searches conducted by public school officials. In this case, a high school student's purse was searched by a school administrator, and the Court found that the search was justified based on reasonable suspicion. The Court concluded that public school officials can use the less strict standard of reasonable suspicion instead of probable cause.