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Table SH116. Standard errors for table H116. Average class size for grade 9 through 12 public school teachers and percentage distribution of class size, by school type and main teaching assignment: 2008
      Percentage distribution of class size
School type and main teaching assignment Average class size   15 or fewer students   16–20 students   21–30 students   More than 30 students
                   
Total 0.2   0.75   0.57   0.72   0.52
                   
School type                  
Regular 0.2   0.69   0.59   0.73   0.60
Career or technical 0.9   4.04   2.92   4.44   2.00
Other 0.8   3.35   2.05   3.03   2.41
                   
Main teaching assignment                  
Career and technical education (CTE), total 0.3   1.16   1.11   1.24   1.03
Nonoccupational CTE 0.4   1.68   1.88   1.90   1.27
Occupational education 0.5   1.79   1.56   1.89   1.42
Agriculture and natural resources 1.1   4.76   3.92   4.13   2.65
Business 0.6   3.32   3.94   3.55   1.56
Communications and design 2.4   4.97   5.30   6.84   5.57
Computer and information sciences 1.0   5.91   5.53   6.87  
Construction, architecture, and engineering technologies 1.1   4.53   4.63   4.11   3.12
Consumer, culinary, and public services 3.6   6.72   5.97   4.98   7.00
Health sciences 1.6   8.52   6.51   7.09   7.80
Manufacturing 2.2   8.55   6.95   7.15  
Marketing 1.1   6.48   7.09   6.70  
Repair and transportation 1.1   5.97   6.34   7.49   3.36
Academic education 0.2   0.68   0.78   0.84   0.62
Other 0.5   1.36   0.69   1.22   0.98
† Not applicable.
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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