Average age, average years of experience, percentage female, percentage out-of-field, percentage with both a major and certification in field, and percentage working full time for public and private K–12 teachers, by employment background: 1999

Table 2

Average age, average years of experience, percentage female, percentage out-of-field, percentage with both a major and certification in field, and percentage working full time for public and private K–12 teachers, by employment background: 1999–2000

Employment background	Average age	Average years of teaching experience	Percent female	Percent teaching out-of-field	Percent with both major and certifica- tion in main assignment field	Percent full time

All teachers	42	14	75	12	61	90
Continuing teachers	43	16	75	11	63	93
Transfers	38	10	75	15	55	80
Returning teachers	41	11	75	26	45	58
Delayed entrants	33	1	75	38	27	85
Recent graduates	27	1	73	17	47	90

NOTE: Average years of experience includes the 1999–2000 school year in its count of years of teaching. “Out-of-field” teachers have neither an undergraduate or graduate major nor certification in the field of their main teaching assignment.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey (SASS), “Public Teacher Questionnaire,” “Charter Teacher Questionnaire,” and “Private Teacher Questionnaire,” 1999–2000.