|Table H118. Average age of grade 9 through 12 public school teachers and percentage distribution of teachers' age, by school type and main teaching assignment: 2008|
|Percentage distribution of age|
|School type and main teaching assignment||Average age||Younger than 30||30–49||50–54||55 or older|
|Career or technical||47||7.7||43.9||17.1||31.4|
|Main teaching assignment|
|Career and technical education (CTE), total||46||10.4||44.9||16.5||28.2|
|Agriculture and natural resources||42||25.7||41.0||15.0||18.3|
|Communications and design||44||15.4||!||46.9||14.6||!||23.2|
|Computer and information sciences||47||‡||52.3||18.1||22.7|
|Construction, architecture, and engineering technologies||49||6.1||!||45.9||15.0||33.0|
|Consumer, culinary, and public services||48||‡||48.6||19.9||!||28.1|
|Repair and transportation||49||‡||43.2||18.2||34.6|
|! Interpret data with caution. Estimate is unstable because the standard error represents more than 30 percent of the estimate.
‡ Reporting standards not met.
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.