As Bid to Privatize Schools Ends, Supporters Second-Guess Effort - New York Times

This is somewhat deep history on the opposition to privatization issue, but is relevant because there appears to be an ongoing pattern of the DOE giving less support to public schools in less affluent neighborhoods - and possibly neighborhoods where they feel there isn't going to be much organized resistance.

As Bid to Privatize Schools Ends, Supporters Second-Guess Effort - New York Times