And if it did, how would we know?
If preparing kids for life is the purpose of school, then these are both important questions to ask.
The most important factor to consider is not what kids know coming out, but how they are primed to engage with things, with ideas, with people, and with society at large. Facts are always changing, and available information is growing exponentially, but the patterns of engagement that we develop going through the process of school are going to stick with us. How much do the typical patterns of engagement in school resemble those that are conducive to leading healthy, happy, productive lives, and that we’d like to see reflected in society at large? This is the real measure of how well school prepares kids for life.