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- 16-State Reading State Charter Impact Changes >>
- 16-State Math State Charter Impact Changes >>
- 27-State School Level Reading Quality >>
- 27-State School Level Math Quality >>
- 27-State Reading State Charter Impacts >>
- 27-State Math State Charter Impacts
160
100
120
140
0
20
40
60
80
-2
-1
0
1
Number of Schools
Charter Achievement Level
40%
29%
31%
National Charter School Study 2013
Math Quality Curve
Significantly
Worse
Worse
No Significant
Difference
Difference
Significantly
Better
Better
We array every charter by their achievement level.
Significantly Better
Significantly Worse
No Significant
Difference
Difference
At every level of achievement, charter schools can be better, worse, or no different than their local market.
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