|
2003-04 |
2007-08 |
Percent |
83.6 |
81.1 |
SOURCE: U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey (SASS), "Public School Teacher Data File," 2003–04 and 2007–08.
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↑ Significant increase.
↓ Significant decrease.
↔ No significant change.
— Not available.
† Not applicable.
‡ Reporting standards not met.
# Rounds to zero.
! Interpret data with caution.