National Society for the Gifted and Talented

From site: 

National Society for the Gifted & Talented™ (NSGT) is a not-for-profit 501(c)(3) foundation created to honor and encourage gifted and talented (G&T) children and youth. It is committed to acknowledging and supporting the needs of G&T children and youth by providing recognition of their significant academic and artistic accomplishments and access to educational resources and advanced learning opportunities directly related to their interests and talent areas.