Title page
Contents
Why this study? 2
Research questions 5
Findings 7
Implications 11
References 12
Appendix A. Data and descriptive analysis methods 14
Appendix B. States' accountability rules 16
Appendix C. Supplementary analyses 18
Figure 1. Students with disabilities subgroups at middle schools are more likely to meet the minimum n-size requirement for academic proficiency indicators than these subgroups... 7
Figure 2. Performance of students with disabilities relative to all students does not vary widely across school levels 9
Boxes
Box 1. Accountability indicators used in this study 3
Box 2. States included in this study 5
Box 3. Data sources and methods 6
Table B.1. Composite weights for State A by school level 16
Table B.2. Composite weights for State B by school level 17
Table C.1. Average indicator scores by state, indicator, school level, and subgroup 19
Table C.2. Percentage of indicator scores suppressed for privacy reasons, by state, school level, indicator, and subgroup 21
Figure C.1. Differences between all students and SWD subgroup scores for all study indicators 18
Figure C.2. Differences between all students and SWD subgroup academic proficiency scores, with imputation of indicator scores suppressed for privacy reasons 22