James Madison | 155

James Madison was among the US presidents with the highest IQs. He had an IQ of 155, and though he did not officially become a lawyer despite studying everything about law, he became the Father of the Constitution because of his role in drafting and promoting the Constitution back then. He graduated from Princeton University in 1771 before studying law.

He worked with Alexander Hamilton and John Jay to create the Federalist Papers in 1788. Aside from this, he also championed and co-authored the Bill of Rights. In addition, Madison used to be Thomas Jefferson’s Secretary of State from 1801 to 1809. After the ratification of the Constitution, he was named an important leader in the US House of Representatives and became a close adviser to President George Washington. With these to his name, Madison was ranked as an “above-average president.”