Prometheus Society:
Educational, scientific, and research group for those with extreme
intelligence.
http://www.PrometheusSociety.org/
SesquIQ:
High IQ society. Membership active in environmentalism and research.
http://www.angelfire.com/home/sesquiq
The Cerebrals Society:
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.
http://www.cerebrals.com
High IQ Society:
An online community of intelligent persons.
http://www.smartgroups.com/group/group.cfm?GID=139378
IQuadrivium Society:
A high IQ society for those at and above the 99.9th percentile.
http://www.s-2000.com/iquadrivium/
International High IQ Society:
Five professional free IQ tests to qualify for membership. Members
enjoy access to chat rooms, discussion forums, regular 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 IQ Magazine.
http://www.highiqsociety.org/
High IQ for Humanity:
Recognizing that children are the most important asset any country
has, High IQ for Humanity seeks through various projects to develop
the skills of gifted children within their respective countries. It
is hoped that by doing so, the gifted will not migrate to more
developed nations, but rather stay and help develop their own
homeland.
http://www.hiqh.org/home.html
Poetic Genius Society:
The Poetic Genius Society is 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.
http://www.poeticgenius.com/default.htm
Intertel:
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.
http://www.intertel-iq.org/
The Intellect-Fellowship:
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.
http://www.intellect-fellowship.org
Pars Society The High IQ society:
The main goal of the Society is to provide a peaceful, intellectual
and private forum among its members. Proof of intelligence level at
or above +2.5 standard deviations is required for membership.
http://pars.eu.tt
Mega Society:
Society with an entrance requirement at the one in a million level,
it's purpose is to provide members with forums and outlets for their
ideas.
http://www.megasociety.net
Central Florida Mensa:
These pages are devoted to Mensa Group 327, Region 10. Our coverage
area stretches from Daytona Beach to Lakeland, along the Interstate
4 corridor. We have approximately 500 members in our group.
http://centralflorida.us.mensa.org/
HighPotentialsSociety - Forum for the highly gifted:
HighPotentialsSociety is a forum for the intellectually highly
gifted. It offers its members the opportunity to exchange ideas,
projects and feelings. Entrance criteria is an IQ of at least 132
(M=100;SD=16).
http://www.highpotentialssociety.org/html/english.html
Ne Plus Ultra - Cogito Ergo Efficio:
Ne Plus Ultra is an intellectually oriented club that seeks to
gather exceptionally insightful people to discuss ideas across a
variety of domains.
http://www.ne-plus-ultra.net
Existentia:
The Existentia Society was founded on the basis of congregating
intelligent and creative individuals to discuss intellectual
matters. Existentia is focused on the premise of Existential
thought.
http://existentia.tripod.com/
Glia Society:
Goals of Glia Society, founded 1997, are to be a forum for the
intelligent and encourage intelligence-related research. Glia has
members in 20+ countries in the Americas, Europe, Asia and
Australia.
http://members.brabant.chello.nl/~p.cooijmans/gliaweb/glia/