Final answer:
The highest court in the United States is the U.S. Supreme Court, which acts as the final authority on legal matters and has the power to interpret the Constitution.
Step-by-step explanation:
The highest court in the judicial branch of the United States is the U.S. Supreme Court. The U.S. Supreme Court is the final arbiter of the law in the country and has the power to interpret the Constitution. It consists of nine justices, appointed by the President and confirmed by the Senate, who serve lifetime terms.
Learn more about The highest court in the United States