|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|
|Career or technical||20||35.4||26.3||27.6||10.7|
|Main teaching assignment|
|Career and technical education (CTE), total||20||32.8||25.6||32.1||9.5|
|Agriculture and natural resources||18||49.0||21.9||21.7||7.4||!|
|Communications and design||25||20.8||21.6||40.4||17.2||!|
|Computer and information sciences||18||36.5||22.3||32.3||‡|
|Construction, architecture, and engineering technologies||18||44.3||26.2||22.4||7.1||!|
|Consumer, culinary, and public services||22||43.4||21.4||15.3||!||20.0||!|
|Repair and transportation||20||25.8||34.0||32.0||8.3||!|
! 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.