The study compared students who won the lottery to get into KIPP Lynn with students who applied but lost the lottery. To the extent that families who apply to KIPP are more motivated, there was no difference between the two groups.
The study also found that KIPP lottery winners were no more likely to leave KIPP schools than lottery losers were to leave their Lynn Public Schools placement.
Students applying to KIPP were more likely to be black or Hispanic and less likely to be Asian than other Lynn students. They were lower performers than the public school average.