Routine administrative searches at alternative school were considered permissible under the Fourth Amendment. The 4th amendment definitely applies on school grounds, so long as they are actuay within the United States.The Fourth Amendment is a hard check on police power. This means police need a good reason before they can arrest someone or look through his or her things. In T.L.O., the Supreme Court rejected the In Loco Parentis Doctrine and ruled that the Fourth. The Fourth Amendment to the United States Constitution prohibits the federal government from conducting unreasonable searches and seizures. Is The Expectation Of Privacy Lower At Schools And Prisons? What Is The Exclusionary Rule? Find ways for your student to engage on campus. The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated.