How to join Mensa

Anyone of any age who scores in the top 2% in an accepted standardized IQ test may join Mensa. The youngest American Mensa member to date was three years old.

If you are age 14 or older

You can join Mensa in one of two ways. Either:

  • Qualify by taking the supervised, standarized, locally proctored test, or
  • Submit evidence of prior testing to Mensa. Mensa accepts a broad range of prior evidence, from standardized test scores to a private psychiatrist’s evaluation.

If you are under 18, one of your parents must sign a permission slip provided by the Testing Coordinator, so be sure to contact the MWW Testing Coordinator in advance to make arrangements. Or, an even better option would be to bring a parent with you to the testing session.

For details on how to sign up for local testing, click Taking the locally proctored test.

If you are under age 14

Younger children join Mensa by submitting a qualifying score from any one of more than 200 tests that Mensa accepts as prior evidence. To find out if a test is acceptable, call 1-800-66-MENSA (63672).

To have your child who is under 14 tested, go to either a licensed psychologist who administers recognized individual IQ tests such as the Stanford-Binet 5 or WISC-IV, or to a specialist in gifted children credentialed for such evaluations. If they are not well-versed in test interpretation for gifted children, go to any of several Web sites, including Davidson Institute, Hoagieā€™s Gifted Education and Educational Options to learn what the scores indicate. Scores in the 98th percentile or higher qualify a child for Mensa. Most schools administer achievement batteries every other year. These normally include an embedded ability test, usually the Otis-Lennon or the CogAT (Cognitive Ability Test).

If you have cultural, language, or learning difficulties

The locally proctored Mensa Admission Test is standardized for people age 14 and older who are fluent in English. If regular testing would be difficult for you because of cultural or language differences, ADHD, learning disabilities or other problems, you might want to take the alternative nonverbal, untimed test (a language-free measure of abstract problem-solving ability). The local MWW Testing Coordinator can help you with this option.

For more details about joining Mensa, including why you might want to join, please see American Mensa | Join.

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