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Does Charter School Attendance Improve Test Scores?: Comments And Reactions On The Arizona Achievement Study, Christopher Nelson, Kevin Hollenbeck

Kevin Hollenbeck

In a recent report, Solmon, Paark, and Garcia (2001) seek to identify the impact of attending charter schools on student achievement using data from Arizona. Based on a sophisticated statistical analysis, these authors report that charter school attendance increases test score gains of students. This note raises some questions about the interpretation of the results reported and some questions about the empirical approach and underlying data. First, the report relies on a 2-x-2 evaluation design with type of school (charter or traditional) attended in a base year as the rows and type of school in the ensuing year as the …