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Table 3.  Percentage distribution of school teachers by age category, average and median age of teachers, and percentage distribution of teachers, by sex, school type, and selected school characteristics: 2007–08

School type and selected
 school characteristic
Less than 30 years 55 years or more Average age of teachers   Median age of teachers Sex  
  30-49 years   50-54 years         Male   Female  
All schools    17.7   49.6   13.1   19.5   42.5   41.8   24.4   75.6  
                                   
All public schools    18.0   50.1   13.3   18.7   42.2   41.5   24.1   75.9  
                                   
School classification                                   
Traditional public    17.7   50.2   13.4   18.8   42.3   41.6   24.1   75.9  
Charter school    32.0   48.0   7.9   12.1   37.9   34.7   23.7   76.3  
                                   
Community type                                   
City    17.0   48.9   13.2   21.0   42.9   42.4   24.6   75.4  
Suburban    18.6   50.9   12.5   17.9   41.6   40.3   23.4   76.6  
Town    16.1   51.9   14.1   17.9   42.8   42.9   24.4   75.6  
Rural    19.1   49.3   13.9   17.7   42.1   41.5   24.4   75.6  
                                   
School level                                   
Elementary    18.4   50.8   13.0   17.8   41.9   41.0   15.2   84.8  
Secondary    17.3   49.2   13.4   20.1   42.7   42.2   40.7   59.3  
Combined    16.4   47.1   15.4   21.1   43.3   43.5   29.8   70.2  
                                   
Student enrollment                                   
Less than 100    16.8   40.8   15.3   27.1   44.8   45.2   29.0   71.0  
100-199    15.4   49.3   16.1   19.1   43.1   42.6   25.9   74.1  
200-499    17.2   50.0   13.9   18.9   42.6   42.3   18.0   82.0  
500-749    17.7   51.5   12.8   18.0   42.2   41.3   18.3   81.7  
750-999    19.6   49.8   12.5   18.1   41.7   40.4   24.6   75.4  
1,000 or more    18.7   49.8   12.8   18.8   41.9   40.8   36.2   63.8  
                                   
Percent of K-12 students who
  were approved for free or
  reduced-price lunches
                                 
0-34    17.9   51.1   13.0   18.0   42.1   41.1   26.1   73.9  
35-49    17.4   49.5   13.9   19.3   42.6   42.3   23.8   76.2  
50-74    18.4   49.3   13.5   18.8   42.2   41.4   22.0   78.0  
75 or more    18.5   50.3   12.5   18.7   42.3   41.5   21.0   79.0  
School did not participate
  in free or reduced-price
  lunch program
  14.7   40.9   17.1   27.3   44.6   46.7   31.5   68.5  
                                   
All BIE schools    9.1   43.9   15.2   31.8   46.8   48.0   28.1   71.9  
                                   
All private schools    16.3   46.1   12.3   25.3   44.1   44.0   26.0   74.0  
                                   
School classification                                   
Catholic    15.1   41.1   13.0   30.8   45.6   46.5   22.0   78.0  
Other religious    16.8   48.4   12.4   22.4   43.5   43.2   27.3   72.7  
Nonsectarian    16.9   48.7   11.3   23.1   43.2   42.1   29.1   70.9  
                                   
Community type                                   
City    16.5   45.4   12.1   26.0   44.2   44.0   27.9   72.1  
Suburban    15.5   45.6   12.6   26.3   44.4   44.3   25.0   75.0  
Town    13.6   52.8   13.5   20.1   43.5   42.7   19.3   80.7  
Rural    18.8   45.8   11.7   23.6   43.4   43.7   26.8   73.2  
                                   
School level                                   
Elementary    16.7   43.8   13.5   26.0   44.4   44.8   13.2   86.8  
Secondary    17.6   38.5   11.8   32.0   45.6   46.1   47.6   52.4  
Combined    15.3   51.4   11.3   21.9   43.2   42.5   31.2   68.8  
                                   
Student enrollment                                   
Less than 100    20.3   46.3   11.4   21.9   42.7   41.8   20.9   79.1  
100-199    19.5   44.0   12.3   24.2   43.2   42.8   22.8   77.2  
200-499    14.9   45.1   12.9   27.1   44.9   45.3   23.2   76.8  
500-749    13.2   49.6   12.0   25.2   44.4   43.8   31.8   68.2  
750 or more    12.9   47.7   12.6   26.9   44.9   44.6   38.7   61.3  
                                   
Percent of K-12 students who
  were approved for free or
  reduced-price lunches
                                 
0-34    14.9   43.3   14.8   27.0   45.1   45.8   19.1   80.9  
35-49    21.1   41.9   9.5   27.6   44.0   43.1   33.9   66.1  
50-74    19.1   44.3   13.8   22.8   43.9   44.2   14.7   85.3  
75 or more    26.3   47.8   7.3 ! 18.6   40.8   40.8   32.5   67.5  
School did not participate
  in free or reduced-price
  lunch program
  15.7   47.1   12.0   25.2   44.0   43.7   27.5   72.5  
! Interpret data with caution. The standard error for this estimate is equal to 30 percent or more of the estimate's value.
NOTE: Teachers include both full-time and part-time teachers. BIE school refers to schools funded by the Bureau of Indian Education (BIE) that are operated by the BIE, a tribe, or a private contractor and not by a regular school district. Detail may not sum to totals because of rounding.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey (SASS), "Public School Teacher, BIE School Teacher, and Private School Teacher Data Files," 2007–08.


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