Title page
Contents
Executive Summary 4
Introduction 8
Students Included in the Analysis 9
Development of a School Climate Scale Score From NCVS/SCS Items 10
Item Mapping and Scoring 10
Factor Analysis of Domains 19
Analysis of School Climate in the 2015 School Crime Supplement 23
Student Characteristics 23
Student-Reported School Victimization 29
Conclusions 35
Technical Notes 38
NCVS/SCS Sample Design and Data Collection 38
Variables Used 40
Statistical Procedures 41
References 43
Appendix A. Tables 45
Table 1. Items from the 2015 SCS evaluated for inclusion in the school climate scale score 11
Table 2. Variables flagged due to low factor loading 19
Table 3. Variables flagged due to low polyserial correlation 20
Table 4. Primary factor analysis of scale items and factor loading 20
Table 5. Cronbach's alpha by individual item removed for the Safety domain of school climate 21
Table 6. School climate and domain descriptive statistics 22
Figure 1. School climate domains and topics (NCSSLE) 8
Figure 2. Mean school Engagement domain scores reported by students ages 12 through 18, by selected student characteristics: School year 2014-15 24
Figure 3. Mean school Environment domain scores reported by students ages 12 through 18, by selected student characteristics: School year 2014-15 25
Figure 4. Mean school Safety domain scores reported by students ages 12 through 18, by selected student characteristics: School year 2014-15 27
Figure 5. Mean overall school climate scores reported by students ages 12 through 18, by selected student characteristics: School year 2014-15 28
Figure 6. Mean and range of school climate domain scores reported by students ages 12 through 18, by reports of being bullied at school: School year 2014-15 31
Figure 7. Mean and range of overall school climate scale scores reported by students ages 12 through 18, by reports of being bullied at school: School year 2014-15 32
Figure 8. Mean and range of school climate domain scores reported by students ages 12 through 18, by reports of being criminally victimized at school: School year 2014-15 33
Figure 9. Mean and range of overall school climate scale scores reported by students ages 12 through 18, by reports of being criminally victimized at school: School year 2014-15 34
Exhibits
Exhibit 1. Variables from the 2015 School Crime Supplement included in the report 41
Table A-1. Mean school climate domain scores reported by students ages 12 through 18, by selected student characteristics: School year 2014-15 45
Table A-2. Standard errors for table A-1: Mean school climate domain scores reported by students ages 12 through 18, by selected student characteristics: School year 2014-15 46
Table A-3. School climate domain scale scores reported by students ages 12 through 18, by reports of being bullied at school: School year 2014-15 46
Table A-4. School climate domain scale scores reported by students ages 12 through 18, by reports of being criminally victimized at school: School year 2014-15 47