While attending westpoint Jackson faced many challenges. Although he was older than most of his other classmates Jackson first struggled with his heavy course load. To make matters worse, his fellow students often teased him about his poor family and modest education, but this only strove him to do better.
It was during the war in Mexico that Jackson met Robert E. Lee with whom he would join military forces during the American Civil War. By the time the Mexican-American war ended in 1846, Jackson had been promoted to the rank of brevet major and was considered a war hero.
After the War, Jackson served as professor of natural and experimental philosophy as well as artillery tatctics