City leaders react amid resignation of Chicago Board of Education WGN TV ChicagoEntire Chicago Public Schools Board of Education to resign, office of Chicago Mayor Brandon Johnson says ABC7 ChicagoChicago Board of Education to resign; mayor to announce new appointments Monday WGN TV ChicagoEntire Chicago school board to resign over teachers union dispute with Dem mayor: ‘Deeply alarming’ Fox News’Deeply alarming’: Critics blast Mayor Johnson for CPS mass resignations FOX 32 Chicago