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Dougherty, Chrys; Shaw, Teresa – ACT, Inc., 2017
This report looks at student growth in Arkansas school districts disaggregated by district poverty and by the district's value-added performance relative to other districts. We estimated district value-added performance statistics by subject and grade level (8 and 11-12) for longitudinal student cohorts, using statistical models that adjusted for…
Descriptors: Poverty, Value Added Models, School Districts, Instructional Program Divisions
Haynie, Glenda – Wake County Public School System, 2006
This research study developed a value-added instructional improvement analysis model. North Carolina state testing results were used in regression and residual analyses of student achievement. This analysis allowed for identification of the "most effective" and "least effective" biology teachers in Wake County Public Schools…
Descriptors: Counties, Public Schools, School Districts, Biology