All of this information is from the National OA website
What is the order of the arrow
For over 100 years, the Order of the Arrow (OA) has recognized Scouts and Scouters who best exemplify the Scout Oath and Law in their daily lives. This recognition provides encouragement for others to live these ideals as well. Arrowmen are known for maintaining camping traditions and spirit, promoting year-round and long term resident camping, and providing cheerful service to others. OA service, activities, adventures, and training for youth and adults are models of quality leadership development and programming that enrich and help to extend Scouting to America's youth.
The mission and purpose
The Order of the Arrow was founded in 1915 to serve a useful purpose: to cause the Scout Oath and Law to spring into action in all parts of the nation. To this day, the Order is dedicated to this high purpose. The mission of the Order of the Arrow is to fulfill its purpose as an integral part of the Boy Scouts of America through positive youth leadership under the guidance of selected capable adults. As Scouting’s National Honor Society, our purpose is to:
Recognize those who best exemplify the Scout Oath and Law in their daily lives and through that recognition cause others to conduct themselves in a way that warrants similar recognition.
Promote camping, responsible outdoor adventure, and environmental stewardship as essential components of every Scout’s experience, in the unit, year-round, and in summer camp.
Develop leaders with the willingness, character, spirit and ability to advance the activities of their units, our Brotherhood, Scouting, and ultimately our nation.
Crystallize the Scout habit of helpfulness into a life purpose of leadership in cheerful service to others.
A brief history
The Order of the Arrow has a rich history spanning 100 years, from its beginnings at a Boy Scout summer camp to its present role as a part of the Scouting program.
Orginization and structure
The Order of the Arrow has over 170,000 members nationwide. Although the Order of the Arrow is a thing of the spirit, there are several layers of organization, each with its own role. This chart simples the organization and leadership from the national level all the way to lodge and chapter level.
Leadership
The Order of the Arrow is led by youth leadership (national chief, national vice chief), the national Order of the Arrow chairman, the OA director and the OA specialist. In addition the national Order of the Arrow committee provides direction for the yearly program.