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Table 5. Number and percentage of public school teachers who are regular full-time teachers and average number of hours per week that regular full-time teachers spent on selected activities during a typical full week, by selected school characteristics: 2015–16


          Average hours during typical full week  
Selected school characteristic Number of regular full-time teachers   Percent of teachers who are regular full-time teachers   Required by contract to work   Of contracted hours, total hours spent delivering instruction to students1   Total hours spent on all teaching and other school-related activities2  
All public schools 3,555,600   92.9   38.2   27.4   53.3  
                     
School classification                    
Traditional public 3,356,400   93.0   38.1   27.4   53.2  
Charter school 199,200   91.2   39.8   27.6   54.4  
                     
Community type                    
City3 1,101,700   93.4   38.1   27.6   53.6  
Suburban 1,399,300   92.5   37.9   26.9   52.9  
Town 388,300   93.3   38.9   27.9   53.6  
Rural 666,400   92.8   38.6   28.0   53.3  
                     
School level                    
Primary 1,652,100   90.8   38.1   28.0   52.9  
Middle 648,400   95.2   38.2   26.7   52.9  
High 1,045,700   95.3   38.2   26.8   54.0  
Combined 209,400   91.8   38.8   27.8   53.4  
                     
Student enrollment                    
Less than 100 51,400   86.2   38.2   27.9   50.4  
100-199 101,900   87.1   38.5   28.3   52.9  
200-499 975,100   90.7   38.0   27.8   52.8  
500-749 989,900   92.9   38.3   27.6   53.4  
750-999 519,600   94.0   38.2   27.2   53.2  
1,000 or more 917,700   95.9   38.2   26.8   53.9  
                     
Percent of K-12 students who were approved for free or reduced-price lunches                    
0-34 1,154,800   92.0   38.1   27.0   53.3  
35-49 511,300   93.5   38.2   27.2   53.3  
50-74 786,900   93.7   38.3   27.6   53.4  
75 or more 992,400   93.5   38.2   28.0   53.1  
School did not participate in free or reduced-price lunch program 110,100   88.4   38.4   26.2   52.4  
1 Excludes time spent planning and monitoring students outside of class.
2 Includes hours spent during the school day, before and after school, and on weekends.
3 Interpret data on city teachers with caution. After nonresponse adjustments, the nonresponse bias for this category is greater than for other characteristics.
NOTE: A regular full-time teacher is any teacher whose primary position in a school is not an itinerant teacher, a long-term substitute, a short-term substitute, a student teacher, a teacher aide, an administrator, a library media specialist or librarian, another type of professional staff (e.g., counselor, curriculum coordinator, social worker) or support staff (e.g., secretary), or part-time teacher. Detail may not sum totals because of rounding.
SOURCE: U.S. Department of Education, National Center for Education Statistics, National Teacher and Principal Survey (NTPS), "Public School Teacher Data File," 2015–16.