High Quality Content by WIKIPEDIA articles! Eagle Scout is the highest rank attainable in the Boy Scouting program of the Boy Scouts of America (BSA). A Scout who attains this rank is called an Eagle Scout or Eagle. Since its introduction in 1911, the Eagle Scout rank has been earned by more than 2 million young men. The title of Eagle Scout is held for life, thus giving rise to the phrase "Once an Eagle, always an Eagle".