Not all standardized tests are IQ tests. Just as not all tests involving reasoning, arithmetic, and vocabulary are not IQ tests.
https://prepexpert.com/sat-to-iq/#
https://www.nytimes.com/roomfordebate/2011/12/04/why-should-...
Mensa considers that scores from after January 31, 1994, "No longer correlate with an IQ test."