| 1987–88 |
1990–91 |
1993–94 |
1999–2000 |
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| Workforce categories and employment background |
Number | Percent | Number | Percent | Number | Percent | Number | Percent | |||
| Total workforce at the start of the year |
2,630,000 | 100 | 2,916,000 | 100 | 2,940,000 | 100 | 3,451,000 | 100 | |||
| Continuing teachers | 2,261,000 | 86 | 2,518,000 | 86 | 2,558,000 | 87 | 2,874,000 | 83 | |||
| New hires | 370,000 | 14 | 398,000 | 14 | 381,000 | 13 | 577,000 | 17 | |||
| Transfers at the start of the year | 229,000 | 9 | 227,000 | 8 | 196,000 | 7 | 294,000 | 9 | |||
| New entrants | 141,000 | 5 | 171,000 | 6 | 185,000 | 6 | 283,000 | 8 | |||
| Returning teachers | 61,000 | 2 | 49,000 | 2 | 46,000 | 2 | 130,000 | 4 | |||
| Delayed entrants | 35,000 | 1 | 51,000 | 2 | 60,000 | 2 | 67,000 | 2 | |||
| Recent graduates | 45,000 | 2 | 71,000 | 2 | 80,000 | 3 | 86,000 | 3 | |||
| NOTE: All numbers are estimates with confidence intervals varying from ± 2,200 to ± 47,000. Detail may not sum to totals because of rounding. |
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| SOURCE: U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey (SASS), “Public Teacher Questionnaire” and “Private Teacher Questionnaire,” 1987–88; “Public Teacher Questionnaire” and “Private Teacher Questionnaire,” 1990–91; “Public Teacher Questionnaire” and “Private Teacher Questionnaire,” 1993–94; “Public Teacher Questionnaire,” “Charter Teacher Questionnaire,” and “Private Teacher Questionnaire,” 1999–2000. |
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