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Percentage of public school principals indicating which sources of information on teacher performance the school used in teacher evaluations during the last school year (2016–17), by selected school characteristics: 2017–18

Selected school characteristic Classroom observation using a teacher professional practice rubric, conducted by the principal or other school administrator   Assessments by the principal or other school administrator that are not based on a teacher professional practice rubric   Videotaped classroom observation   Assessments by a peer or mentor teacher that are not based on a teacher professional practice rubric   Teacher self-assessment   Amount or content of professional development completed by the teacher   Artifacts of teacher professional practice or portfolios   Student surveys or other student feedback   Parent surveys or other parent feedback   Teacher professional credentials including experience, education, and certification  
   All public schools 98.1   32.8   10.6   24.2   72.9   60.1   65.5   32.7   27.4   48.4  
                                         
School classification                                        
Traditional public 98.5   31.9   9.8   23.6   72.8   60.3   66.3   31.6   26.4   47.6  
Charter school 93.9   44.3   20.4   31.6   74.0   57.9   56.1   45.2   39.7   58.2  
                                         
Community type                                         
City 98.4   33.3   14.2   27.5   73.8   60.0   65.8   37.6   32.0   46.8  
Suburban  98.6   30.0   8.1   21.3   71.2   61.4   68.2   27.6   23.4   43.8  
Town  97.4   33.1   9.7   27.4   77.2   59.6   63.3   35.2   26.8   50.5  
Rural  97.6   35.8   10.3   22.8   71.9   59.0   63.0   32.5   27.8   54.8  
                                         
School level                                        
Primary 98.1   30.3   11.0   21.5   72.1   60.0   66.9   30.7   28.0   45.0  
Middle 98.8   32.5   9.8   28.1   73.9   58.0   65.8   31.0   24.1   46.4  
High 98.8   37.9   9.2   28.2   74.1   60.8   65.1   37.7   26.4   53.4  
Combined 96.0   37.6   12.8   25.7   73.6   62.9   58.3   35.9   31.4   60.6  
                                         
Student enrollment                                        
Less than 200 96.2   37.7   9.5   23.2   74.4   58.9   59.3   35.3   31.9   57.2  
200–499 97.8   31.7   11.4   22.9   73.4   58.6   65.3   32.4   28.6   48.9  
500–749 98.9   30.5   9.5   24.1   71.0   61.2   68.1   32.8   24.9   44.4  
750–999 99.6   32.1   9.8   25.0   71.4   61.5   65.6   28.9   25.4   42.8  
1,000 or more 99.1   36.7   12.2   30.5   74.7   63.8   68.5   33.3   24.4   48.8  
                                         
Percent of K–12 students who were approved
for free or reduced‑price lunches
                                       
0–34 97.8   33.7   9.3   22.5   75.5   58.6   68.1   30.4   25.6   45.6  
35–49 97.7   31.9   7.7   21.5   70.3   59.0   63.2   30.0   22.4   46.4  
50–74 98.2   31.3   9.4   23.6   72.4   59.2   66.9   29.5   26.7   48.9  
75 or more 98.6   33.6   13.7   27.3   72.4   62.5   63.6   37.9   31.6   51.2  
SOURCE: U.S. Department of Education, National Center for Education Statistics, National Teacher and Principal Survey (NTPS), "Public School Principal Data File," 2017–18.