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Average and median age of public school teachers and percentage distribution of teachers by age category, sex, and selected school characteristics: 2015–16

            Age category   Sex
Selected school characteristic   Average age of teachers   Median age of teachers   Less than 30 years   30-49 years   50-54 years   55 years or more   Male   Female
All public schools   42.4   41.4   15.0   55.9   11.5   17.5   23.4   76.6  
                                   
School classification                                  
Traditional public   42.7   41.7   14.3   56.0   11.8   17.9   23.4   76.6  
Charter school   38.7   35.9   26.4   54.4   7.0   12.2   24.4   75.6  
                                   
Community type                                  
City1   42.3   41.2   16.1   54.9   10.9   18.1   23.6   76.4  
Suburban   42.5   41.4   14.1   56.9   11.4   17.6   22.9   77.1  
Town   42.6   41.7   14.7   54.9   12.5   17.9   24.1   75.9  
Rural   42.4   41.6   15.1   56.2   12.3   16.4   23.9   76.1  
                                   
School level                                  
Primary   42.1   41.0   16.0   56.0   11.4   16.6   10.5   89.5  
Middle   42.2   41.2   14.4   57.8   11.3   16.5   27.5   72.5  
High   43.3   42.4   13.1   54.9   12.0   19.9   41.1   58.9  
Combined   41.8   40.6   17.7   54.5   10.8   17.0   29.9   70.1  
                                   
Student enrollment                                  
Less than 100   45.7   45.2   12.0   50.8   10.2   27.0   32.4   67.6  
100-199   43.5   42.9   15.3   49.5   11.4   23.8   26.3   73.7  
200-499   42.3   41.3   16.0   55.1   11.9   17.1   17.8   82.2  
500-749   41.8   40.7   16.1   57.0   11.3   15.6   18.0   82.0  
750-999   42.5   41.4   14.1   57.1   11.8   17.0   22.5   77.5  
1,000 or more   43.0   41.9   13.3   56.1   11.5   19.1   35.6   64.4  
                                   
Percent of K-12 students who were approved for free or reduced-price lunches                                  
0-34   42.6   41.5   14.0   56.5   11.9   17.6   24.5   75.5  
35-49   42.7   41.9   13.9   56.3   12.3   17.5   24.1   75.9  
50-74   42.3   41.4   15.6   55.5   11.7   17.1   23.0   77.0  
75 or more   42.2   41.0   16.3   55.5   10.7   17.6   21.5   78.5  
School did not participate in free or reduced-price lunch program   43.1   41.7   14.1   54.7   11.5   19.7   29.9   70.1  
1Interpret data on city teachers with caution. After nonresponse adjustments, the nonresponse bias for this category is greater than for other characteristics.
NOTE:Teachers include both full-time and part-time teachers. Detail may not sum to 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.