The Triple Nine Society (TNS) is a society of individuals who have scored in the top 0.1 percent on specific IQ tests (or similar). Compare this with the larger high-IQ society, Mensa International, which admits those who score in the top 2 percent (only 1 in 20 people eligible for Mensa membership would qualify for TNS).
Like Mensa, they take high scores on other standardized tests as admission; however TNS still accepts recent results (though on a different scale) whereas Mensa only accepts older results for many common tests such as the SAT, ACT, or GRE. It has members from all walks of life, professions, and from over 20 different countries. All parts of the political spectrum are represented.
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