They all resign before getting charged. That way they can keep their pensions.
WGNTV
The Chicago Teachers Union says it’s not surprised to hear about the resignation.
Chicago Teachers Union Vice President Jesse Sharkey said Monday that Byrd-Bennett’s departure set what he called a “horrible standard for our students and educators who looked to her leadership.”
http://wgntv.com/2015/06/01/barbara-byrd-bennett-resigns-as-cps-ceo-teachers-union-speaks-out/