Ohio has done its very best to promote charters and vouchers. But it did a great disservice to charters by putting them in the state base. The data are there for all to see: with only a few exceptions, charter schools perform worse than public schools.

The latest release of data shows not only that graduates of public schools were more likely to graduate from college than graduates of charter schools, it also shows that achievement gaps grow wider in charter schools, in contrast to public schools.

Stephen Dyer of Innovation Ohio writes:

“Charter schools saw far greater performance gaps in reading and math than school districts. And, more troubling, a far greater percentage of gap growth compared with the previous school year.

“So achievement gaps are growing wider and quicker in Ohio charter schools than Ohio school districts…

“For example, more than 21 percent of charter school achievement gaps…