| Characteristic | Principals 2012 | Principals 2008 | Teachers 2012 | Teachers 2008 |
|---|---|---|---|---|
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
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Source
Source
Release date
April 2013
More information
Region
United States
Survey time period
2008 and 2012
Number of respondents
466,303 K-12 students, teachers, parents and administrators
Method of interview
Online survey
Supplementary notes
The source does not provide the exact date of survey or a number of respodents for 2008.
The source does not provide information regarding the missing percentage points to 100 percent.
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