| http://www.w3.org/ns/prov#value | - Ravitch quotes a study that finds that the performance of 37% of the charter schools was below the level of TPS, for 46% there was not significant difference with TPS performance, and 17% of the charter schools produced significantly better results than TPS. The author concludes from this that charters are a failure and they are undermining TPS. I conclude that this is a story of success.
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