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Special Analysis 2005

Mobility in the Teacher Workforce

Table SA1. Standard errors for figure 1: Number and percentage distribution of public and private K–12 teachers in the U.S. teaching workforce, by age: 1999–2000
Age Number Percentage distribution

Under 25 4,800 0.1
25–29 8,200 0.2
30–34 6,900 0.2
35–39 7,200 0.2
40–44 7,400 0.2
45–49 8,300 0.2
50–54 10,300 0.3
55–59 6,500 0.2
60 or above 4,300 0.1

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.