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Comment by yodsanklai

5 days ago

Don't know why this is downvoted, seems like a reasonable question. I don't know much about SF or public schools in the US. Are they all bad? do we have data comparing public/private schools in these areas?

Public and private schools don't take the same tests, so we don't have good days to compare the schools. Even if we did, it would be hard to disentangle the impact of selection bias.

You could look at college acceptances or similar, but those aren't unbiased either, as colleges look at estimates of class rank, not just absolute performance.