Johnathan did a nice job of summarizingthe situation with the additional facts added by comment by Harley Harris from MATL. But then we have NIMBY comments added that skew the facts or outright lie about facts.
Summarizing an avalanche of efforts to equalize lives by improving the schools attended by poor kids, economist Eric A. Hanushek of the University of Rochester and economic consultant Julie A. Somers of PHB Hagler Bailly report that these efforts have failed.