Big Brothers Big Sisters of America is a 501 non-profit organization whose mission is to "create and support one-to-one mentoring relationships that ignite the power and promise of youth". Adult volunteers are matched with children from age 5 to young adulthood.
Big Brothers Big Sisters is one of the oldest and largest youth mentoring organizations in the United States. Big Brothers Big Sisters mentors children, ages 5 through young adulthood in communities across the country. The ages of children and youth served varies by affiliate.