A society for those whose IQ falls at or above the 99.7th percentile (top 0.3% of the general population). Members interact via discussion forums and an online journal. IQ tests are available on this site. www.cerebrals.com
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 www.highiqsociety.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 re www.intertel-iq.org
A fellowship for intellectuals in the top 10% of society. The fellowship encourages creativity of members, publication of their works and thoughts, engagement in the functioning of the group and participation in one or more areas related to the fellowship www.intellect-fellowship.org
Society with an entrance requirement at the one in a million level. Its purpose is to provide members with forums and outlets for their ideas. www.megasociety.net
An intellectually oriented club that seeks to gather exceptionally insightful people to discuss ideas across a variety of domains. www.ne-plus-ultra.net
Seeks to provide a peaceful, intellectual and private forum for its members. Proof of intelligence level at or above plus 2.5 standard deviations is required for membership. pars.eu.tt
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 mem www.poeticgenius.com
Designed to develop synergy and to serve as a mutual support system as well as provide a forum for exchange of information and development of news and helpful ideas. Membership requires score of 151 on their free test. www.freewebs.com/smartpeoplesociety
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. www.triplenine.org
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