Research Note: On Student Growth & the Productivity of New Jersey Charter Schools

Posted on October 31, 2014



New Jersey Education Policy Forum

Bruce D. Baker, Rutgers University, Graduate School of Education

October 31, 2014

PDF: Research Note on Productive Efficiency

In June of 2014, I wrote a brief in which I evaluated New Jersey’s school growth percentile measures to determine whether factors outside the control of local schools or districts are significantly predictive of variation in those growth percentile measures.[1] I found that this was indeed the case. Specifically, I found:

Student Population Characteristics

  1. % free lunch is significantly, negatively associated with growth percentiles for both subjects and both years. That is, schools with higher shares of low income children have significantly lower growth percentiles;
  2. When controlling for low income concentrations, schools with higher shares of English language learners have higher growth percentiles on both tests in both years;
  3. Schools with larger shares of children already at or above proficiency tend to show greater gains on both tests in both…

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