A majority of City Council members said the resignations of all seven school board members is 'unprecedented and brings further instability to our school district.'

The mass resignation of the seven-member Chicago Board of Education may be only the first in a series of upheavals in Chicago Public Schools leadership, heralding an uncertain future for students and families in the district.

CHICAGO (CBS) -- A day after Mayor Brandon Johnson announced his entire hand-picked school board would resign, about three dozen members of the City Council blasted the recent developments in an open letter.