Sneaky age filter? You must be young enough to remember your SAT scores.
Between 2005 and 2015 the maximum score was 2400 instead of 1600. Assuming anyone who got <1600 during that period wouldn't admit it, you now have three well defined buckets.
But of course this is a lot of unnecessary steps compared to the usual method: length of work and education history +18 years.
I remember mine (both from when I was 12 and when I was 17) close to 30 years later.
Sneaky age filter? You must be young enough to remember your SAT scores.
I can remember mine just fine.
If you're really looking for smart people, use "Answer this word problem in two or more paragraphs. Write your answer on the sheet of paper provided. In cursive."
It’s an approximation for an IQ test
Sneaky immigration filter? Most wont have an SAT score at all