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Average age of teachers and percentage distribution of teachers, by age category, school type, and main teaching assignment: 2017–18

      Age category
School type and main teaching assignment Average age of
teachers
  Less than 30
years
  30-49 years   50-54 years   55-64 years   65 years or more  
   All schools 42.6   15.1   55.7   11.6   14.9   2.7  
                         
All public schools 42.4   15.0   56.9   11.6   14.5   2.0  
                         
Main teaching assignment                        
Early childhood or general elementary 41.7   16.2   58.0   11.5   12.6   1.6  
Special education 42.5   15.2   56.0   11.4   15.4   2.0  
Arts or music 42.2   18.5   51.7   10.5   16.4   2.8  
English and language arts 42.6   14.5   57.1   11.1   15.1   2.2  
ESL or bilingual education 43.9   12.4   55.1   12.6   16.9   3.0  
Foreign languages 42.6   12.5   58.4   12.5   14.9   1.7  
Health education 42.8   12.5   58.8   12.5   15.0   1.1  
Mathematics 41.9   16.8   55.9   12.0   13.6   1.7  
Natural sciences 42.7   13.5   58.3   11.6   14.6   2.0  
Social sciences 41.9   14.6   61.0   10.6   11.6   2.1  
Career or technical education 45.8   10.2   48.6   14.6   23.5   3.2  
All other 45.5   5.2   59.9   12.6   18.8   3.3  
                         
All private schools 44.3   16.2   47.1   11.3   18.2   7.2  
                         
Main teaching assignment                        
Early childhood or general elementary 43.4   18.4   45.7   12.6   17.8   5.5  
Special education 40.9   26.0   46.8   8.6   13.9   4.6  
Arts or music 45.9   13.3   43.5   11.8   22.7   8.6  
English and language arts 44.3   15.8   49.1   10.2   17.4   7.6  
ESL or bilingual education 50.8     38.4       31.8 !
Foreign languages 45.9   9.9   51.8   13.0   17.0   8.2  
Health education 42.7   14.3   53.1   13.7   15.6   3.3 !
Mathematics 45.5   14.7   45.6   11.7   19.3   8.8  
Natural sciences 44.1   18.5   45.1   11.4   17.0   7.9  
Social sciences 44.2   15.6   49.9   7.5   18.4   8.7  
Career or technical education 48.5   4.3 ! 48.1   10.4 ! 30.9   6.3 !
All other 45.3   13.5   48.1   7.0   19.6   11.8  
! Interpret data with caution. The coefficient of variation (CV) for this estimate is between 30 percent and 50 percent (i.e., the standard error is at least 30 percent and less than 50 percent of the estimate).
‡ Reporting standards not met. The coefficient of variation (CV) for this estimate is 50 percent or greater (i.e., the standard error is 50 percent or more of the estimate).
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 and Private School Teacher Data Files, " 2017–18.