Schools also subsidize taking the tests, since high rates of AP enrollment have been billed as a metric to measure high schools. At my high school (2001-2005),

Schools also subsidize taking the tests, since high rates of AP enrollment have been billed as a metric to measure high schools. At my high school (2001-2005), kids in AP classes got to take the test for free, and also got their grade weighted (so a B+ in an AP was worth the same as an A).