Coercive drug testing imposed by school districts upon students who participate in extracurricular activities does not violate the Fourth Amendment. Decided June 27, 2002 (argued March 19, 2002). Opinion of the Court: Clarence Thomas → go there Dissenting: O'Connor, Ginsburg. Applied: the Fourth Amendment → go there Topic: Fourth Amendment rights. Board of Education v. Earls, 536 U.S. 822 (2002), was a case by the Supreme Court of the United States in which the Court held, 5–4, that it does not violate the Fourth Amendment to the U.S. Constitution for public schools to conduct mandatory drug testing on students participating in extracurricular activities. Wiki link