Answer:
He was the most successful Southern general, defeating most of the Union generals until Meade at Gettysburg.
Graduated second in his class at West Point at the rank of corps adjutant, the highest rank a cadet could attain.
Captain on the staff of Gen. Winfield Scott during the Mexican-American War
Successfully put down a rebellion at Harper's Ferry, Virginia
Commander in chief of Virginia’s forces during the Civil War
Accepted the post of president of Washington College (later Washington and Lee University) in Lexington, Virginia.
Extra cool thing: Lee was a disbeliever in slavery and secession and was devoutly attached to the republic that his father and kinsmen had helped bring into being. He was very advanced in his rejection of war as a resolution of political conflicts