First look at this passage from Wikipedia:
Some observers, such as the authors of The Charter School Dust-Up, say that KIPP's admission process self-screens for students who are both motivated and compliant, from similarly motivated and compliant—and supportive—families. Parents must commit to a required level of involvement, which rules out badly dysfunctional families.You'll notice this is consistent with some points Joseph and I have been arguing for awhile about how selection and peer effects can affect a school.
Now pay close attention to the following from SRI:
KIPP schools’ higher-than-expected test score results draw both attention and claims that they “cherry-pick” high-achieving students from poor neighborhoods. This is the first report to closely scrutinize the praise and criticisms associated with KIPP, as well as key challenges facing Bay Area KIPP schools today.
In the three KIPP schools where they were able to draw comparisons, SRI researchers found that students with lower prior achievement on the CST were more likely to choose KIPP than higher-performing students from the same neighborhood, suggesting that, at least at these schools, cherry-picking does not occur.
Did you catch the shift? Like most areas, academic success is largely determined by attitude and work habit. This is particularly true in a school with extended hours of instruction and a longer year. There is every reason to believe that these traits are strongly selected for here, just as suggested by the Economic Policy Institute.
The Charter School Dust-Up came out from the EPI in 2005, three years before the SRI report, but the SRI researchers never directly acknowledge the EPI's conflicting findings. Instead they pull the researchers' version of the old school kid's trick of pretending to mishear an inconvenient question.
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