All evidence suggests that it is bad policy to concentrate children in schools with high rates of poverty. It's not good for the students. It's not good for educators. And, it's not good for the community.
The only schools with high rates of poverty that consistently outperform peer schools require students to attend school 50% more a year - long days, weeks and years. That takes resources.
This is something that our school district - like most school districts across the country - must confront. But a school district cannot face up to the issues of poverty on its own. A community must get behind and support school district leaders and managers.
Here are a handful of reports/books on the topic. I have not yet had the opportunity to look at the Pew report in depth.
Pew Hispanic Center, The Role of Schools in the ELL Achievement Gap.
Piton Foundation, The Case for Economic Integration.
Piton Foundation, Mixed Income Schools Gaining Favor.
Richard D. Kahlenberg, All Together Now: Creating Middle-Class Schools through Public School Choice