alt Hacker NewsA lot of responses pointing out various flaws with this question, including the fact that it can be used as a proxy for ageism, the fact that the grading scale has not been consistent over time, or that most foreigners will not have gone through the US education system. However, is it really that uncommon for Americans to never have had reason to take the SAT/ACT, such as, simply not going to uni, or going straight to work after graduating high school?
You only need to SAT/ACT for going to get into an university. And these days it seems to matter less. I looked it up and less than 50% of high school students take the SAT/ACT. Personally I never had any employer ask for my SAT/ACT scores since the 90s.