<p>While plenty of kids from private schools receive 750 and above scores for each section, none do so without specific tutoring programs. Its not true that having an excellent education prepares you for the SAT. Look at scores and medians for top colleges as recently as 20 years ago and you will see much lower scores. Precisely because SAT prep was not prevalent at the time. If you take a genius child who has never seen/heard of the SAT (to the point of not taking ssat, etc)and have them take the test you will be surprised by the low score, compared to the kids not as smart who had prep. That is why colleges discount scores from top prep schools/high achieving public schools. They know most, if not all, kids there have been tutored. In terms of the SSAT – the population taking the test is extremely small. However if 30-50% of those taking the test come from an underrepresented population, naturally the curve will have a great amount of students on the high end, and a great amount on the lower, with not so many in the middle. Also, the cc type kids that will be taking the test from public schools will be extremely smart, raising the score. Then take into account countless kids who take the ISSEEs instead of the SSATs, and you will understand why BS kids come out with the scores that you are describing. Ultimately the SAT score unless exceptionally low does not matter so much for kids coming from private schools. Its mostly about the grades.</p>