The International High IQ Society

Membership is open to those who possess an IQ score in the top five percent of the population. Prospective members can apply using the IQ test certificate from our online admissions Culture fair intelligence test hosted at 123test.com, or by submitting evidence of qualifying IQ scores from a prior intelligence test within our approved list of IQ tests.

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About us

The International High IQ Society was formed in 2000 as an independent membership organization comprised of individuals who have demonstrated an intelligence quotient in the top five percent of the population.

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Introduce yourself to the community, participate in forum discussion topics, share your professional knowledge and advance your career!