L.A. schools swapped 'zero tolerance' for 'restorative justice.' Is it working?

Staff applaud the goals of 'restorative justice,' a community-minded alternative to schools' 'zero tolerance' policies, which have not proven to be effective, but they add that more training and resources are needed...
http://www.csmonitor.com/USA/USA-Update/2015/1108/L.A.-schools-swapped-zero-tolerance-for-restorative-justice.-Is-it-working