  |
Triple Nine Society - http://www.triplenine.org/
TNS is a high-IQ society which selects members at the 99.9th percentile using a number of IQ and academic aptitude tests. Journal: Vidya. |
  |
International High IQ Society - http://www.highiqsociety.org/
Requires score of 126 on any of five free tests. Members enjoy access to chat rooms, discussion forums, online tournaments in chess, backgammon, contract bridge, and Go, as well as difficult puzzles and brainteasers, and the ability to submit works to the quarterly online magazine. |
  |
Poetic Genius Society - http://www.poeticgenius.com/
An organization for highly gifted individuals (99.5 percentile IQ, or the top 0.5% of the general population) who have a love of poetry. Members can submit works for publication in the organization's online journal and interact with fellow poets via a member chat forum, and a message board. |
  |
Prometheus Society - http://www.prometheussociety.org/
Educational, scientific, and research group for those with extreme intelligence. |
  |
Intertel - http://www.intertel-iq.org/
An organization of those with IQ scores in the 99th percentile (top 1% of the general population). The goals of the organization are to encourage meaningful intellectual fellowship, foster an exchange of ideas on any and all subjects, and to assist in research relating to high intelligence. |