The case for socio-economic diversity: http://dallasmorningviewsblog.dallasnews.com/2015/10/the-case-for-socio-economic-diversity-in-our-public-schools.html/
See the video on these pages which was followed by Item 6-a in the 2-11-16 briefing: http://www.boarddocs.com/tx/disd/Board.nsf/vpublic?open