States with the most students in charter schools, 2011-12
1 California 410,157
2 Florida 179,254
3 Texas 149,348
4 Arizona 135,930
5 Ohio 122,660
6 Michigan 118,702
7 Pennsylvania 98,108
8 Colorado 79,963
9 Georgia 61,821
10 New York 54,681
Source: Center for Education Reform