The NZAGC, through the members of the National Council, provides the following support to the Branches and their members.

• Publishes Tall Poppies Espresso online every two months, a magazine with a focus on gifted children and their families.
  
• Publishes a hard copy edition of Tall Poppies once per year.
• Lobbies government and educational circles on your behalf.
• Organises national workshops for teachers, parents and children.
• Supports professionals, e.g. teachers, principals and psychologists.
• Assists parents to set up local branches across New Zealand.
• Provides a library of books and additional materials that all members can borrow.
• Provides an online forum for discussion.
• Runs a popular New Zealand Association for Gifted Children Facebook page.
  
• Films and provides access to short online courses to support gifted children, their family and their teachers.
  
• Open to anyone who agrees with the aims of the NZAGC.