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When using both Chicago and Prince Georges County (PGC) data, concentration of neighborhoods within schools has a negative relationship with math score (effect is small but significant). The greater the number of neighborhoods represented in a school the higher the test score.
- Concentration of schools within neighborhoods is positively related to math scores in PGC. Indicating that youth who both live together and go to school together perform better on math tests.For reading the results are more mixed.
- The concentration of schools within neighborhoods has a significant positive association with both adolescent math and reading scores in PGC. The correlation between test score is .43. This relationship remains significant even when the neighborhood quality is controlled for effect size.
- Concentration of schools has a significant positive association with the math and reading scores on the children in PGC.
- The researchers were unable to duplicate the findings with the Chicago schools. They could not create the measure with the available data.
- According to the PGC data the concentration of neighborhoods within schools is negatively related to both math and reading scores but not to change in test scores. The large size of coefficients in the average test scores indicates the limited amount of variation in PGC.
- In Chicago there was no relationship between the concentration of neighborhoods within schools and math test score, but there is a significant relationship between CNI and change in reading score.