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Number and percentage distribution of public school teachers, by National Board for Professional Teaching Standards certification status and selected school and teacher characteristics: 2007–08

      Percentage distribution of teachers who  
Selected school and teachers characteristics Total number of public schools teachers   Hold a National Board Certification   Are working toward a National Board Certification   Do not hold and are not working toward a National Board Certification  
All public schools  3,404,500   19.3   5.0   75.7  
                 
School classification                 
Traditional public  3,332,100   19.3   4.9   75.8  
Charter school  72,400   18.0   11.9   70.1  
                 
Community type                 
City  882,400   19.6   6.4   74.1  
Suburban  1,200,700   20.0   4.7   75.3  
Town  467,500   18.6   4.7   76.7  
Rural  853,900   18.5   4.2   77.3  
                 
School level                
Primary 1,629,400   18.5   4.1   77.4  
Middle 622,500   19.6   5.9   74.5  
High 993,800   20.5   5.8   73.6  
Combined 158,800   18.5   5.9   75.6  
                 
Student enrollment                 
Less than 100  48,700   16.2   3.9   79.9  
100-199  124,100   20.7   4.5   74.8  
200-499  1,029,800   17.9   4.7   77.4  
500-749  845,100   18.2   5.4   76.4  
750-999  488,600   21.0   4.5   74.5  
1,000 or more  868,100   21.0   5.6   73.4  
                 
Percent of K-12 students who
  were approved for free or
  reduced-price lunches
               
0-34  1,487,900   18.7   3.9   77.4  
35-49  576,000   18.2   4.6   77.2  
50-74  722,500   18.9   6.1   75.0  
75 or more  554,700   22.7   7.0   70.3  
                 
School did not participate
  in free or reduced-price
  lunch program
63,400   17.1   7.0   76.0  
                 
Main teaching assignment                
Elementary education 1,100,700   18.6   3.6   77.8  
Special education 394,800   18.0   5.9   76.1  
Arts and music 224,300   21.0   5.4   73.6  
English and language arts 410,000   19.3   5.6   75.2  
English as a second
language
44,900   19.6   6.1 ! 74.3  
Foreign languages 84,400   19.7   5.5   74.9  
Health education 182,000   29.6   3.5   66.8  
Mathematics and computer
science
298,600   20.3   6.0   73.7  
Natural sciences 210,500   16.9   7.1   75.9  
Social sciences 222,700   16.7   5.0   78.2  
Vocational, career, or
technical education
171,900   19.8   6.8   73.4  
Miscellaneous 19,700   14.1   7.3 ! 78.6  
Other 40,100   14.9   4.6   80.5  
                 
Age                
Less than 30 611,800   20.9   9.3   69.7  
30 - 49 1,606,700   19.9   5.1   75.0  
50 or more 1,086,700   17.2   2.4   80.4  
                 
Sex                
Male 820,900   20.2   6.3   73.5  
Female 2,583,600   19.0   4.6   76.4  
                 
Race/ethnicity                
Hispanic, regardless of
race
240,300   31.1   8.1   60.8  
White, non-Hispanic 2,829,200   17.9   4.0   78.1  
Black or African-American,
non-Hispanic
239,500   24.7   12.7   62.6  
Other1  91,800   16.3   9.2   74.5  
1 Other includes Asian, non-Hispanic; Native Hawaiian or Other Pacific Islander, non-Hispanic, American Indian or Alaska Native, non-Hispanic, and two or more races, non-Hispanic.
! Interpret data with caution. The coefficient of variation for this estimate is between 30 and 50 percent.
NOTE: 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 Data File," 2007–08.


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