GOP lawmakers are intensifying efforts to challenge Plyler v. Doe, a landmark Supreme Court ruling from 1982 that guarantees children of undocumented immigrants access to free public education in the U.S. The renewed push, spanning state legislatures and Washington, comes amid a broader immigration crackdown under President Donald Trump and could set the stage for a major legal challenge before the Supreme Court. GOP argues the ruling overstepped Supreme Court authority GOP lawmakers argue that the Supreme Court exceeded its authority in the 44-year-old decision.