Tests & Test Scores
International Society for Philosophical Enquiry
World’s Oldest 99.9% IQ Society
This page contains answers to the most commonly asked questions about admissions and tests. Please read through this page carefully
before submitting a question.
Due to the high volume of inquiries, we are unable to reply to emails containing questions that are answered on this page. Minimum AgeThe minimum age requirement for admission to ISPE is 18 years.
Tests and Scores Accepted by ISPEThe standardized tests and minimum scores listed below are the only tests accepted at this time.
The standardized test submitted for admission must have been taken when the applicant was age 15 years or higher.
To Apply for AdmissionTo apply for admission to ISPE with a qualifying test score, fill out the application found on our "Join ISPE - Apply" tab.
Reinstatement RequestsIf you are a former ISPE member seeking reinstatement, send your request to the ISPE President at
president@thousanders.com. Be sure to provide (1) your full name, (2) the approximate dates of your previous membership in ISPE, (3) the physical mail and email addresses you had on file with ISPE at the time you were last a member, and (4) your ISPE member number, if known.
Admissions QuestionsShould you have further admissions questions that are not answered on this page, you may send a message to the Director of Admissions at
admissionsofficer@thousanders.com.
Please Note the Difference in ThresholdsMensa requires a demonstrated IQ at or above the 98th percentile (1 out of 50 people from the general population will qualify).
Many score reports and admission letters only identify a percentile up to the 99th percentile.
ISPE requires a demonstrated IQ at or above the 99.9th percentile (1 out of 1,000 people from the general population will qualify).
Score Reports and DocumentationApplicants must submit reports and documentation that clearly state the name of the specific test taken and the score achieved. The score reports must be from the agency, organization, or professional that issued the results. If you do not have this report, one can be obtained from them. See the information below the Qualifying Tests and Scores section for more information.
QUALIFYING TESTS AND SCORES FOR ISPE
STANDARDIZED TESTS
QUALIFYING SCORE
ACT (American College Testing program) taken prior to October, 1989
For official scores from ACT, use the ISPE organization code of 8178.
32
ACT (American College Testing program) taken after September, 1989
For official scores from ACT, use the ISPE organization code of 8178.
34
ATGSB (American Test for Graduate study in Business)
725
CTMM (California Test of Mental Maturity)
149
Cattell A&B combined raw score
85
Cattell Intelligence Test, Scale IIIB (verbal)
172
Cattell CFT 20-R Grundintelligenztest
146
GMAT (Graduate Management Admission Test)
746
GRE (Graduate Record Exam) combined verbal and quantitative through Sept. 2001
1460
GRE combined verbal, quantitative and analytical, 1982 – Sept. 2001
2180
GRE scores after Sept. 2001 are not accepted
not accepted
LSAT (Law School Admission Test) after May 1991
176
LSAT June 1982-May 1991
Scores of 48 or higher are accepted on all tests. During this time, the scales
48 (10-50 scale)
were changed from a 10-50 to a 10-48 scale.
46 (10-48 scale)
LSAT (Law School Admission Test) through May 1982
746
MAT (Miller Analogies Test)
Scored prior to December 2023
472 scaled
85 raw
RAIT (Reynolds Adaptive Intelligence Test)
146
Raven’s Advanced Progressive Matrices, Set II (APM)
Raw Score 35
Scaled Score 146
SAT Scholastic Aptitude Test
(combined verbal and math, taken prior to 1995)
1450
SAT Scholastic Aptitude Test (combined verbal and math) taken after April 1995 – (based on 2400 maximum score, taken April 1995 - February 2005)
2210
SAT Scholastic Aptitude Test
(based on 1600 maximum score, taken April 1995 - December 2024)
1520
Stanford-Binet Intelligence Scale, Form L or M
151
Stanford-Binet Intelligence Scale, Form LM
149
Stanford-Binet Intelligence Scale, Form SB-IV
149
Stanford-Binet Intelligence Scale, Form SB-5
146
WAIS III, IV (Wechsler Adult Intelligence Scale) full Scale IQ
WAIS III must be taken on or before February 15, 2015
146
AGCT/GT (U.S. Army General Classification Test) taken prior to 1976
Raw 157
NGCT (Naval General Classification Test) taken 1954 through 1977 only
74
American Mensa
Depends on the Test Used
Request US Mensa to send your score report to ISPE
Germany - IBF-S, ISA-S, BIS-HB Tests
145/100th%
Austria ISA-S Test
145/100th%
Mensa UK and Other Mensa Organizations
Depends on admittance letter content
Upload your admittance letter
HOW TO OBTAIN TEST REPORTS AND TEST SCORE DOCUMENTATION
The following information is provided for your convenience to obtain your reports and documentation. Applicants must submit reports and documentation that clearly state the name of the specific test taken and the score achieved. They must be from the organization, agency, or professional that administered the test or the organization or agency that holds and archives the test results.
Tests Administered by Individual PsychologistsThe documentation must be provided by the psychologist on individual, clinic, or agency letterhead. It must state the candidate’s name, date of the test, name of the test, and full-scale IQ.
Tests Administered and Held by an Organization or Held and Archived by an Organization or AgencyAmerican Mensa – Log in to your US Mensa account and submit a request to send your score report to the ISPE Admissions Officer. US Mensa charges a nominal fee to help defray the cost of the private and secure score report delivery system, and their fee must be paid before the score report will be sent to ISPE.
Mensa Austria – To obtain your documentation, you should contact the organization through their website.
Mensa Germany – To obtain your documentation, you should contact the organization through their website.
GMAT – Graduate Management Admission Council, 1600 Tysons Blvd. Ste. 1400, McLean, VA 22102; 866-505-6559; gmac.com
GRE – Educational Testing Service, P.O. Box 592, Princeton, NJ 08540; 609-921-9000; ets.org
SAT – SAT Program, College Board, P.O. Box 8057. Mt. Vernon, IL 62864; collegeboard.com
ACT – American College Testing, P.O. Box 168, Iowa City, IA 55240; act.org
LSAT – LSAC, Box 2000-T, Newtown, PA 18940; lsac.org
Military Tests - AGCT, NGCT – National Personnel Records Center, Attn: Military Personnel Records, 9700 Page Blvd, St. Louis Mo 63132; archives.gov/st-louis/military-personnel
MAT – Psychological Corporation, 555 Academic Cir., San Antonio TX 78204; 800-622-3231; pearsonassessments.com