Which court in Australia serves as the highest legal authority?

The High Court serves as the highest legal authority in Australia, holding the ultimate power to interpret and apply the law. As the apex court, it plays a crucial role in resolving disputes involving the Australian Constitution, federal laws, and significant matters pertaining to the interpretation of laws passed by Parliament. It has the authority to review decisions made by lower courts, including State Supreme Courts and Federal Courts, ensuring a uniform application of law across the nation.

The High Court's decisions are final, and its rulings have a binding effect on all other courts, establishing precedents that lower courts must follow. This central role underlines its position as the highest authority in the Australian legal system. The other courts, such as the Federal Court, State Supreme Courts, and Local/Magistrate Courts, serve distinct functions within the legal framework but fall under the jurisdiction of the High Court when it comes to appeals and constitutional matters.