Yes, due to an unfair advantage. As per the text you quoted:
> charter schools don't serve special needs students. More than that, charter schools bias towards engaged and interested parents. Because of policies like No Child Left Behind, it is really bad for local neighborhood schools to have all of their high performing students leave for charter schools.
> charter schools don't serve special needs students. More than that, charter schools bias towards engaged and interested parents. Because of policies like No Child Left Behind, it is really bad for local neighborhood schools to have all of their high performing students leave for charter schools.