A recent court ruling in Connecticut may change that, at least in that state. Some links:
https://www.google.com/amp/mobile.nytimes.com/2016/09/08/nyr...
https://www.google.com/amp/mobile.nytimes.com/2016/09/12/nyr...
http://mobile.nytimes.com/2016/09/16/nyregion/connecticut-ed...
http://www.courant.com/data-desk/hc-in-perpupil-spending-con... https://k12.niche.com/rankings/public-school-districts/best-...
Cities: Waterbury ($15,859), Hartford ($18,397), Bridgeport ($15,228), Stamford (18,188), and New Haven ($17,084) spend on average $16,951 per student.
Some well-regarded suburban school districts: Simsbury ($15,969), Ridgefield ($17,315), Glastonbury ($15,481), West Hartford ($15,720), for an average of $16,121.
Clearly there is something going on beyond the dollars spent per student.