Brookline High School has undertaken a noble, careful, and so far encouraging effort to move towards equality in ninth-grade classes. There is lots of work to do and it won’t be perfect. Some affluent parents have flexed their rhetorical skills in your article, “arguing that deleveling ninth-grade courses . . . may exacerbate inequality” by driving them to private school. Powerful people have learned a lot of ways to say this: The current inequality suits them so well that they will find it elsewhere if needed.
Your article might also have featured families who are excited about the opportunities opening up for their children to learn in a more challenging and inspiring environment. They’re out there, and they are not thinking about switching schools.