|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
|Career or technical||31,500||3.3||14||16.2||27.6||18.7||37.5|
|Main teaching assignment|
|Career and technical education (CTE), total||147,600||13.9||14||17.5||23.7||16.1||42.7|
|Agriculture and natural resources||12,000||1.1||14||19.7||19.9||17.7||42.7|
|Communications and design||9,300||0.9||13||12.7||!||30.3||23.9||33.1|
|Computer and information sciences||6,400||0.6||15||17.9||25.4||11.4||!||45.3|
|Construction, architecture, and engineering technologies||9,400||0.9||13||18.7||27.6||17.1||36.6|
|Consumer, culinary, and public services||5,800||0.6||13||20.9||28.8||10.0||!||40.3|
|Repair and transportation||5,500||0.5||15||16.9||!||19.9||!||16.6||!||46.7|
! Interpret data with caution. Estimate is unstable because the standard error represents more than 30 percent of the estimate.
1 Excludes 9 percent of teachers with unspecified school type.
2 Other school types include special program emphasis schools, special education schools, and alternative/other schools.
3 Other teaching assignments include special education; health education; physical education; military science or Reserve Officers’ Training Corps (ROTC); religious studies, theology, or divinity; and other unspecified teaching assignments.
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 Questionnaire,” 2007–08.