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Table SH115. Standard errors for table H115. Number of grade 9 through 12 public school teachers, average years of teaching experience, and percentage distribution of years of teaching experience, by school type and main teaching assignment: 2008
              Percentage distribution of years of teaching experience
             
School type and main teaching assignment Number of teachers   Percent of teachers   Average years of teaching experience   Less than
4 years
  4–9
years
  10–14
years
  15 years
or more
                           
Total 26,560     0.1   0.47   0.51   0.43   0.66
                           
School type                          
Regular 25,920   1.10   0.2   0.55   0.55   0.50   0.75
Career or technical 5,190   0.53   0.7   2.83   3.08   1.89   3.19
Other 8,060   0.84   0.6   2.09   2.12   1.29   2.37
                           
Main teaching assignment                          
Career and technical education (CTE), total 5,120   0.41   0.3   1.13   1.10   0.93   1.44
Nonoccupational CTE 2,710   0.23   0.4   1.31   2.03   1.43   2.21
Occupational education 3,650   0.31   0.4   1.65   1.61   1.21   1.88
Agriculture and natural resources 1,370   0.12   1.3   3.90   4.27   3.53   5.44
Business 1,630   0.15   0.8   2.57   3.29   2.36   3.44
Communications and design 1,180   0.11   1.2   4.81   6.31   5.27   5.98
Computer and information sciences 830   0.08   1.3   4.39   5.18   3.46   6.47
Construction, architecture, and engineering technologies 1,040   0.10   1.0   4.61   4.76   3.66   5.15
Consumer, culinary, and public services 830   0.08   1.4   6.25   5.72   3.42   5.91
Health sciences 690   0.07   1.3   8.83   5.69   7.34   6.72
Manufacturing 470   0.04   1.3   4.14   9.18   5.81   9.18
Marketing 560   0.05   1.9   5.75   6.35   6.62   8.53
Repair and transportation 810   0.08   1.4   5.20   6.44   6.49   7.10
Academic education 22,280   0.79   0.2   0.55   0.63   0.52   0.66
Other 7,010   0.63   0.3   1.16   1.11   1.07   1.50
SOURCE: U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey (SASS), “Public School Teacher Questionnaire,” 2007–08.

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