The U.S. Supreme Court case Shelton et al. v. Tucker et al., 1960, revolved around an Arkansas statute that required every teacher in a state-supported school or college to file annually an affidavit listing all organizations to which they belonged or contributed over the past five years as a condition of employment. The appellants, teachers affected by this law, argued it violated their rights under the First and Fourteenth Amendments of the Constitution. In its decision, the Supreme Court ruled in favor of Shelton and his fellow appellants (teachers), stating that while states have broad power to regulate public education, such regulation must not infringe upon basic constitutional protections like freedom of association protected by First Amendment rights incorporated through Fourteenth Amendment's due process clause. The court found that requiring teachers to disclose every organization they had been affiliated with was overly broad and intrusive into individuals' personal lives without sufficient justification related to their fitness for teaching profession - thus violating their right to privacy and associational freedoms.

In the dissenting opinion for Shelton et al. v. Tucker et al., Justice Tom C. Clark, joined by Justices John M. Harlan and Charles E Whittaker, argued that the majority had overstepped its bounds in striking down an Arkansas statute requiring teachers to disclose their organizational affiliations as a condition of employment on First Amendment grounds. The dissenters contended that there was no evidence to suggest that this disclosure requirement was being used to suppress freedom of speech or association, nor any indication it would be used in such a manner in the future; therefore, they believed it should not have been deemed unconstitutional based solely on hypothetical concerns about potential misuse or abuse of power by state officials. They also emphasized the importance of allowing states some latitude when setting qualifications for public school teachers given their significant role shaping young minds and influencing societal norms and values.