High expectations for impoverished students

To the editor: As Garret Keizer points out, some students manage to overcome the effects of poverty and do well in school. But not many. ("A level playing field at school can't make up for a broken democracy," Op-Ed, Sept. 27) Grit, determination and the best teaching in the world has little effect when students are hungry, are ill because of lack of healthcare, and have low levels of literacy because of lack of access to books. Existing evidence strongly supports Keizer's observation that school success does not magically improve one's economic status. And improving test scores will not help our economy: It works the other way around. Martin Luther King Jr....