Citation needed. From everything I've read, it's nearly entirely the case that low income and ESL students do the worst (and there's a large overlap between th

Citation needed. From everything I've read, it's nearly entirely the case that low income and ESL students do the worst (and there's a large overlap between those groups) and it has almost nothing to do with the kids' educability or intelligence. They are in a difficult spot due to no fault of their own and require more support than what a typical teacher in a typical school in a typical city can provide without meaningful investments in broad social services Americans don't seem to have much appetite to invest in.