Earlier quoted context omitted.
It's not though. Give ten kids from the same class a self study online course and give another ten a private tutor, and they won't see the same score distribution. Where's the signal there? SAT results don't have a line item that notes the amount of wealth or privilege that went into preparing. > Immigrant families eligible for reduced price lunch are able to scrounge up the money for these tests. Some families can't…
I'm a former educator and tutor. The effects of studying "for the test" as you put have been measured, improved test taking skills tends to be worth ~30 points which is not that significant. This matches my anecdotal experience and that of people I know who run SAT prep courses. It's far more effective to actually teach students the material, either by teaching them new concepts or by firming up their understanding t…
You're right that 30 points isn't that much if you're thinking about the whole distribution, but I guarantee it can be significant around the selection threshold. That threshold might be implicit or explicit, but it's there, and if it's enough to nudge applicants past it, it's significant.