International Association for Astronomical Studies (IAAS) - Group of junior high & high school students from the Denver, Colorado Metro area. These students share a common interest in astronomy & want to share that interest with others.
International Astronomical Youth Camp (IAYC) - Organised every year in Europe. The 70 participants (between 16 and 24 years old) work for 3 weeks in 8 working groups on small astronomy research projects.
Planetary Society of Youth, The - Working to bring awareness among children, students, and the general public about astronomy, space, and technology.