charter schools is an independent ran public school, normally a public school is managed by a central school board which signs the contracts and hires the teachers, janitors and nurses etc for the school and designate the curriculum and pays for maintenance
a charter school is independently run, that means the principles and the managers at the school itself decide who gets hired, they dont have to check with the school board, the theory, one which i am a proponent of, is that this greater flexibility allows charted school to be more flexible in addressing their students
and a side benefit is charters school expansion will allow black educators to open up their own independent schools